21076782840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{1277}}^1$

素因数の和:1459

約数の個数: 288

約数和(自身を含む): 72920839680

約数和(自身を除く): 51844056840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 127, 152, 171, 180, 190, 228, 254, 285, 342, 360, 361, 380, 381, 456, 508, 570, 635, 684, 722, 760, 762, 855, 1016, 1083, 1140, 1143, 1270, 1277, 1368, 1444, 1524, 1710, 1805, 1905, 2166, 2280, 2286, 2413, 2540, 2554, 2888, 3048, 3249, 3420, 3610, 3810, 3831, 4332, 4572, 4826, 5080, 5108, 5415, 5715, 6385, 6498, 6840, 7220, 7239, 7620, 7662, 8664, 9144, 9652, 10216, 10830, 11430, 11493, 12065, 12770, 12996, 14440, 14478, 15240, 15324, 16245, 19155, 19304, 21660, 21717, 22860, 22986, 24130, 24263, 25540, 25992, 28956, 30648, 32490, 36195, 38310, 43320, 43434, 45720, 45847, 45972, 48260, 48526, 51080, 57465, 57912, 64980, 72390, 72789, 76620, 86868, 91694, 91944, 96520, 97052, 108585, 114930, 121315, 129960, 137541, 144780, 145578, 153240, 162179, 173736, 183388, 194104, 217170, 218367, 229235, 229860, 242630, 275082, 289560, 291156, 324358, 363945, 366776, 412623, 434340, 436734, 458470, 459720, 460997, 485260, 486537, 550164, 582312, 648716, 687705, 727890, 810895, 825246, 868680, 873468, 916940, 921994, 970520, 973074, 1091835, 1100328, 1297432, 1375410, 1382991, 1455780, 1459611, 1621790, 1650492, 1746936, 1833880, 1843988, 1946148, 2063115, 2183670, 2304985, 2432685, 2750820, 2765982, 2911560, 2919222, 3081401, 3243580, 3300984, 3687976, 3892296, 4126230, 4148973, 4367340, 4609970, 4865370, 5501640, 5531964, 5838444, 6162802, 6487160, 6914955, 7298055, 8252460, 8297946, 8734680, 9219940, 9244203, 9730740, 11063928, 11676888, 12325604, 13829910, 14596110, 15407005, 16504920, 16595892, 18439880, 18488406, 19461480, 20744865, 24651208, 27659820, 27732609, 29192220, 30814010, 33191784, 36976812, 41489730, 46221015, 55319640, 55465218, 58384440, 58546619, 61628020, 73953624, 82979460, 92442030, 110930436, 117093238, 123256040, 138663045, 165958920, 175639857, 184884060, 221860872, 234186476, 277326090, 292733095, 351279714, 369768120, 468372952, 526919571, 554652180, 585466190, 702559428, 878199285, 1053839142, 1109304360, 1170932380, 1405118856, 1756398570, 2107678284, 2341864760, 2634597855, 3512797140, 4215356568, 5269195710, 7025594280, 10538391420, 21076782840]

約数ペア:

[(1, 21076782840), (2, 10538391420), (3, 7025594280), (4, 5269195710), (5, 4215356568), (6, 3512797140), (8, 2634597855), (9, 2341864760), (10, 2107678284), (12, 1756398570), (15, 1405118856), (18, 1170932380), (19, 1109304360), (20, 1053839142), (24, 878199285), (30, 702559428), (36, 585466190), (38, 554652180), (40, 526919571), (45, 468372952), (57, 369768120), (60, 351279714), (72, 292733095), (76, 277326090), (90, 234186476), (95, 221860872), (114, 184884060), (120, 175639857), (127, 165958920), (152, 138663045), (171, 123256040), (180, 117093238), (190, 110930436), (228, 92442030), (254, 82979460), (285, 73953624), (342, 61628020), (360, 58546619), (361, 58384440), (380, 55465218), (381, 55319640), (456, 46221015), (508, 41489730), (570, 36976812), (635, 33191784), (684, 30814010), (722, 29192220), (760, 27732609), (762, 27659820), (855, 24651208), (1016, 20744865), (1083, 19461480), (1140, 18488406), (1143, 18439880), (1270, 16595892), (1277, 16504920), (1368, 15407005), (1444, 14596110), (1524, 13829910), (1710, 12325604), (1805, 11676888), (1905, 11063928), (2166, 9730740), (2280, 9244203), (2286, 9219940), (2413, 8734680), (2540, 8297946), (2554, 8252460), (2888, 7298055), (3048, 6914955), (3249, 6487160), (3420, 6162802), (3610, 5838444), (3810, 5531964), (3831, 5501640), (4332, 4865370), (4572, 4609970), (4826, 4367340), (5080, 4148973), (5108, 4126230), (5415, 3892296), (5715, 3687976), (6385, 3300984), (6498, 3243580), (6840, 3081401), (7220, 2919222), (7239, 2911560), (7620, 2765982), (7662, 2750820), (8664, 2432685), (9144, 2304985), (9652, 2183670), (10216, 2063115), (10830, 1946148), (11430, 1843988), (11493, 1833880), (12065, 1746936), (12770, 1650492), (12996, 1621790), (14440, 1459611), (14478, 1455780), (15240, 1382991), (15324, 1375410), (16245, 1297432), (19155, 1100328), (19304, 1091835), (21660, 973074), (21717, 970520), (22860, 921994), (22986, 916940), (24130, 873468), (24263, 868680), (25540, 825246), (25992, 810895), (28956, 727890), (30648, 687705), (32490, 648716), (36195, 582312), (38310, 550164), (43320, 486537), (43434, 485260), (45720, 460997), (45847, 459720), (45972, 458470), (48260, 436734), (48526, 434340), (51080, 412623), (57465, 366776), (57912, 363945), (64980, 324358), (72390, 291156), (72789, 289560), (76620, 275082), (86868, 242630), (91694, 229860), (91944, 229235), (96520, 218367), (97052, 217170), (108585, 194104), (114930, 183388), (121315, 173736), (129960, 162179), (137541, 153240), (144780, 145578)]