20789376840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1646

約数の個数: 384

約数和(自身を含む): 75374640000

約数和(自身を除く): 54585263160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 43, 45, 51, 54, 60, 68, 72, 85, 86, 90, 102, 108, 120, 129, 135, 136, 153, 170, 172, 180, 204, 215, 216, 255, 258, 270, 289, 306, 340, 344, 360, 387, 408, 430, 459, 510, 516, 540, 578, 612, 645, 680, 731, 765, 774, 860, 867, 918, 1020, 1032, 1080, 1156, 1161, 1224, 1290, 1445, 1462, 1530, 1548, 1549, 1720, 1734, 1836, 1935, 2040, 2193, 2295, 2312, 2322, 2580, 2601, 2890, 2924, 3060, 3096, 3098, 3468, 3655, 3672, 3870, 4335, 4386, 4590, 4644, 4647, 5160, 5202, 5780, 5805, 5848, 6120, 6196, 6579, 6936, 7310, 7740, 7745, 7803, 8670, 8772, 9180, 9288, 9294, 10404, 10965, 11560, 11610, 12392, 12427, 13005, 13158, 13941, 14620, 15480, 15490, 15606, 17340, 17544, 18360, 18588, 19737, 20808, 21930, 23220, 23235, 24854, 26010, 26316, 26333, 27882, 29240, 30980, 31212, 32895, 34680, 37176, 37281, 39015, 39474, 41823, 43860, 46440, 46470, 49708, 52020, 52632, 52666, 55764, 61960, 62135, 62424, 65790, 66607, 69705, 74562, 78030, 78948, 78999, 83646, 87720, 92940, 98685, 99416, 104040, 105332, 111528, 111843, 124270, 131580, 131665, 133214, 139410, 149124, 156060, 157896, 157998, 167292, 185880, 186405, 197370, 199821, 209115, 210664, 223686, 236997, 248540, 263160, 263330, 266428, 278820, 298248, 312120, 315996, 333035, 334584, 335529, 372810, 394740, 394995, 399642, 418230, 447372, 447661, 473994, 497080, 526660, 532856, 557640, 559215, 599463, 631992, 666070, 671058, 710991, 745620, 789480, 789990, 799284, 836460, 894744, 895322, 947988, 999105, 1053320, 1118430, 1132319, 1184985, 1198926, 1332140, 1342116, 1342983, 1421982, 1491240, 1579980, 1598568, 1672920, 1677645, 1790644, 1798389, 1895976, 1998210, 2236860, 2238305, 2264638, 2369970, 2397852, 2664280, 2684232, 2685966, 2843964, 2997315, 3159960, 3355290, 3396957, 3554955, 3581288, 3596778, 3996420, 4028949, 4473720, 4476610, 4529276, 4739940, 4795704, 5371932, 5661595, 5687928, 5994630, 6710580, 6714915, 6793914, 7109910, 7193556, 7992840, 8057898, 8953220, 8991945, 9058552, 9479880, 10190871, 10743864, 11323190, 11989260, 12086847, 13421160, 13429830, 13587828, 14219820, 14387112, 16115796, 16984785, 17906440, 17983890, 19249423, 20144745, 20381742, 22646380, 23978520, 24173694, 26859660, 27175656, 28439640, 30572613, 32231592, 33969570, 35967780, 38498846, 40289490, 40763484, 45292760, 48347388, 50954355, 53719320, 57748269, 60434235, 61145226, 67939140, 71935560, 76997692, 80578980, 81526968, 96247115, 96694776, 101908710, 115496538, 120868470, 122290452, 135878280, 152863065, 153995384, 161157960, 173244807, 192494230, 203817420, 230993076, 241736940, 244580904, 288741345, 305726130, 346489614, 384988460, 407634840, 461986152, 483473880, 519734421, 577482690, 611452260, 692979228, 769976920, 866224035, 1039468842, 1154965380, 1222904520, 1385958456, 1732448070, 2078937684, 2309930760, 2598672105, 3464896140, 4157875368, 5197344210, 6929792280, 10394688420, 20789376840]

約数ペア:

[(1, 20789376840), (2, 10394688420), (3, 6929792280), (4, 5197344210), (5, 4157875368), (6, 3464896140), (8, 2598672105), (9, 2309930760), (10, 2078937684), (12, 1732448070), (15, 1385958456), (17, 1222904520), (18, 1154965380), (20, 1039468842), (24, 866224035), (27, 769976920), (30, 692979228), (34, 611452260), (36, 577482690), (40, 519734421), (43, 483473880), (45, 461986152), (51, 407634840), (54, 384988460), (60, 346489614), (68, 305726130), (72, 288741345), (85, 244580904), (86, 241736940), (90, 230993076), (102, 203817420), (108, 192494230), (120, 173244807), (129, 161157960), (135, 153995384), (136, 152863065), (153, 135878280), (170, 122290452), (172, 120868470), (180, 115496538), (204, 101908710), (215, 96694776), (216, 96247115), (255, 81526968), (258, 80578980), (270, 76997692), (289, 71935560), (306, 67939140), (340, 61145226), (344, 60434235), (360, 57748269), (387, 53719320), (408, 50954355), (430, 48347388), (459, 45292760), (510, 40763484), (516, 40289490), (540, 38498846), (578, 35967780), (612, 33969570), (645, 32231592), (680, 30572613), (731, 28439640), (765, 27175656), (774, 26859660), (860, 24173694), (867, 23978520), (918, 22646380), (1020, 20381742), (1032, 20144745), (1080, 19249423), (1156, 17983890), (1161, 17906440), (1224, 16984785), (1290, 16115796), (1445, 14387112), (1462, 14219820), (1530, 13587828), (1548, 13429830), (1549, 13421160), (1720, 12086847), (1734, 11989260), (1836, 11323190), (1935, 10743864), (2040, 10190871), (2193, 9479880), (2295, 9058552), (2312, 8991945), (2322, 8953220), (2580, 8057898), (2601, 7992840), (2890, 7193556), (2924, 7109910), (3060, 6793914), (3096, 6714915), (3098, 6710580), (3468, 5994630), (3655, 5687928), (3672, 5661595), (3870, 5371932), (4335, 4795704), (4386, 4739940), (4590, 4529276), (4644, 4476610), (4647, 4473720), (5160, 4028949), (5202, 3996420), (5780, 3596778), (5805, 3581288), (5848, 3554955), (6120, 3396957), (6196, 3355290), (6579, 3159960), (6936, 2997315), (7310, 2843964), (7740, 2685966), (7745, 2684232), (7803, 2664280), (8670, 2397852), (8772, 2369970), (9180, 2264638), (9288, 2238305), (9294, 2236860), (10404, 1998210), (10965, 1895976), (11560, 1798389), (11610, 1790644), (12392, 1677645), (12427, 1672920), (13005, 1598568), (13158, 1579980), (13941, 1491240), (14620, 1421982), (15480, 1342983), (15490, 1342116), (15606, 1332140), (17340, 1198926), (17544, 1184985), (18360, 1132319), (18588, 1118430), (19737, 1053320), (20808, 999105), (21930, 947988), (23220, 895322), (23235, 894744), (24854, 836460), (26010, 799284), (26316, 789990), (26333, 789480), (27882, 745620), (29240, 710991), (30980, 671058), (31212, 666070), (32895, 631992), (34680, 599463), (37176, 559215), (37281, 557640), (39015, 532856), (39474, 526660), (41823, 497080), (43860, 473994), (46440, 447661), (46470, 447372), (49708, 418230), (52020, 399642), (52632, 394995), (52666, 394740), (55764, 372810), (61960, 335529), (62135, 334584), (62424, 333035), (65790, 315996), (66607, 312120), (69705, 298248), (74562, 278820), (78030, 266428), (78948, 263330), (78999, 263160), (83646, 248540), (87720, 236997), (92940, 223686), (98685, 210664), (99416, 209115), (104040, 199821), (105332, 197370), (111528, 186405), (111843, 185880), (124270, 167292), (131580, 157998), (131665, 157896), (133214, 156060), (139410, 149124)]