20722796640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{158141}}^1$

素因数の和:158182

約数の個数: 288

約数和(自身を含む): 87036296256

約数和(自身を除く): 66313499616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 336, 360, 364, 390, 416, 420, 455, 468, 480, 504, 520, 546, 560, 585, 624, 630, 672, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1120, 1170, 1248, 1260, 1365, 1440, 1456, 1560, 1638, 1680, 1820, 1872, 2016, 2080, 2184, 2340, 2520, 2730, 2912, 3120, 3276, 3360, 3640, 3744, 4095, 4368, 4680, 5040, 5460, 6240, 6552, 7280, 8190, 8736, 9360, 10080, 10920, 13104, 14560, 16380, 18720, 21840, 26208, 32760, 43680, 65520, 131040, 158141, 316282, 474423, 632564, 790705, 948846, 1106987, 1265128, 1423269, 1581410, 1897692, 2055833, 2213974, 2372115, 2530256, 2846538, 3162820, 3320961, 3795384, 4111666, 4427948, 4744230, 5060512, 5534935, 5693076, 6167499, 6325640, 6641922, 7116345, 7590768, 8223332, 8855896, 9488460, 9962883, 10279165, 11069870, 11386152, 12334998, 12651280, 13283844, 14232690, 14390831, 15181536, 16446664, 16604805, 17711792, 18502497, 18976920, 19925766, 20558330, 22139740, 22772304, 24669996, 25302560, 26567688, 28465380, 28781662, 30837495, 32893328, 33209610, 35423584, 37004994, 37953840, 39851532, 41116660, 43172493, 44279480, 45544608, 49339992, 49814415, 53135376, 56930760, 57563324, 61674990, 65786656, 66419220, 71954155, 74009988, 75907680, 79703064, 82233320, 86344986, 88558960, 92512485, 98679984, 99628830, 106270752, 113861520, 115126648, 123349980, 129517479, 132838440, 143908310, 148019976, 159406128, 164466640, 172689972, 177117920, 185024970, 197359968, 199257660, 215862465, 227723040, 230253296, 246699960, 259034958, 265676880, 287816620, 296039952, 318812256, 328933280, 345379944, 370049940, 398515320, 431724930, 460506592, 493399920, 518069916, 531353760, 575633240, 592079904, 647587395, 690759888, 740099880, 797030640, 863449860, 986799840, 1036139832, 1151266480, 1295174790, 1381519776, 1480199760, 1594061280, 1726899720, 2072279664, 2302532960, 2590349580, 2960399520, 3453799440, 4144559328, 5180699160, 6907598880, 10361398320, 20722796640]

約数ペア:

[(1, 20722796640), (2, 10361398320), (3, 6907598880), (4, 5180699160), (5, 4144559328), (6, 3453799440), (7, 2960399520), (8, 2590349580), (9, 2302532960), (10, 2072279664), (12, 1726899720), (13, 1594061280), (14, 1480199760), (15, 1381519776), (16, 1295174790), (18, 1151266480), (20, 1036139832), (21, 986799840), (24, 863449860), (26, 797030640), (28, 740099880), (30, 690759888), (32, 647587395), (35, 592079904), (36, 575633240), (39, 531353760), (40, 518069916), (42, 493399920), (45, 460506592), (48, 431724930), (52, 398515320), (56, 370049940), (60, 345379944), (63, 328933280), (65, 318812256), (70, 296039952), (72, 287816620), (78, 265676880), (80, 259034958), (84, 246699960), (90, 230253296), (91, 227723040), (96, 215862465), (104, 199257660), (105, 197359968), (112, 185024970), (117, 177117920), (120, 172689972), (126, 164466640), (130, 159406128), (140, 148019976), (144, 143908310), (156, 132838440), (160, 129517479), (168, 123349980), (180, 115126648), (182, 113861520), (195, 106270752), (208, 99628830), (210, 98679984), (224, 92512485), (234, 88558960), (240, 86344986), (252, 82233320), (260, 79703064), (273, 75907680), (280, 74009988), (288, 71954155), (312, 66419220), (315, 65786656), (336, 61674990), (360, 57563324), (364, 56930760), (390, 53135376), (416, 49814415), (420, 49339992), (455, 45544608), (468, 44279480), (480, 43172493), (504, 41116660), (520, 39851532), (546, 37953840), (560, 37004994), (585, 35423584), (624, 33209610), (630, 32893328), (672, 30837495), (720, 28781662), (728, 28465380), (780, 26567688), (819, 25302560), (840, 24669996), (910, 22772304), (936, 22139740), (1008, 20558330), (1040, 19925766), (1092, 18976920), (1120, 18502497), (1170, 17711792), (1248, 16604805), (1260, 16446664), (1365, 15181536), (1440, 14390831), (1456, 14232690), (1560, 13283844), (1638, 12651280), (1680, 12334998), (1820, 11386152), (1872, 11069870), (2016, 10279165), (2080, 9962883), (2184, 9488460), (2340, 8855896), (2520, 8223332), (2730, 7590768), (2912, 7116345), (3120, 6641922), (3276, 6325640), (3360, 6167499), (3640, 5693076), (3744, 5534935), (4095, 5060512), (4368, 4744230), (4680, 4427948), (5040, 4111666), (5460, 3795384), (6240, 3320961), (6552, 3162820), (7280, 2846538), (8190, 2530256), (8736, 2372115), (9360, 2213974), (10080, 2055833), (10920, 1897692), (13104, 1581410), (14560, 1423269), (16380, 1265128), (18720, 1106987), (21840, 948846), (26208, 790705), (32760, 632564), (43680, 474423), (65520, 316282), (131040, 158141)]