20852030880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1699}}^1$

素因数の和:2673

約数の個数: 240

約数和(自身を含む): 73711360800

約数和(自身を除く): 52859329920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 947, 1080, 1296, 1440, 1620, 1699, 1894, 2160, 2592, 2841, 3240, 3398, 3788, 4320, 4735, 5097, 5682, 6480, 6796, 7576, 8495, 8523, 9470, 10194, 11364, 12960, 13592, 14205, 15152, 15291, 16990, 17046, 18940, 20388, 22728, 25485, 25569, 27184, 28410, 30304, 30582, 33980, 34092, 37880, 40776, 42615, 45456, 45873, 50970, 51138, 54368, 56820, 61164, 67960, 68184, 75760, 76455, 76707, 81552, 85230, 90912, 91746, 101940, 102276, 113640, 122328, 127845, 135920, 136368, 137619, 151520, 152910, 153414, 163104, 170460, 183492, 203880, 204552, 227280, 229365, 244656, 255690, 271840, 272736, 275238, 305820, 306828, 340920, 366984, 383535, 407760, 409104, 454560, 458730, 489312, 511380, 550476, 611640, 613656, 681840, 688095, 733968, 767070, 815520, 818208, 917460, 1022760, 1100952, 1223280, 1227312, 1363680, 1376190, 1467936, 1534140, 1608953, 1834920, 2045520, 2201904, 2446560, 2454624, 2752380, 3068280, 3217906, 3669840, 4091040, 4403808, 4826859, 5504760, 6136560, 6435812, 7339680, 8044765, 9653718, 11009520, 12273120, 12871624, 14480577, 16089530, 19307436, 22019040, 24134295, 25743248, 28961154, 32179060, 38614872, 43441731, 48268590, 51486496, 57922308, 64358120, 72402885, 77229744, 86883462, 96537180, 115844616, 128716240, 130325193, 144805770, 154459488, 173766924, 193074360, 217208655, 231689232, 257432480, 260650386, 289611540, 347533848, 386148720, 434417310, 463378464, 521300772, 579223080, 651625965, 695067696, 772297440, 868834620, 1042601544, 1158446160, 1303251930, 1390135392, 1737669240, 2085203088, 2316892320, 2606503860, 3475338480, 4170406176, 5213007720, 6950676960, 10426015440, 20852030880]

約数ペア:

[(1, 20852030880), (2, 10426015440), (3, 6950676960), (4, 5213007720), (5, 4170406176), (6, 3475338480), (8, 2606503860), (9, 2316892320), (10, 2085203088), (12, 1737669240), (15, 1390135392), (16, 1303251930), (18, 1158446160), (20, 1042601544), (24, 868834620), (27, 772297440), (30, 695067696), (32, 651625965), (36, 579223080), (40, 521300772), (45, 463378464), (48, 434417310), (54, 386148720), (60, 347533848), (72, 289611540), (80, 260650386), (81, 257432480), (90, 231689232), (96, 217208655), (108, 193074360), (120, 173766924), (135, 154459488), (144, 144805770), (160, 130325193), (162, 128716240), (180, 115844616), (216, 96537180), (240, 86883462), (270, 77229744), (288, 72402885), (324, 64358120), (360, 57922308), (405, 51486496), (432, 48268590), (480, 43441731), (540, 38614872), (648, 32179060), (720, 28961154), (810, 25743248), (864, 24134295), (947, 22019040), (1080, 19307436), (1296, 16089530), (1440, 14480577), (1620, 12871624), (1699, 12273120), (1894, 11009520), (2160, 9653718), (2592, 8044765), (2841, 7339680), (3240, 6435812), (3398, 6136560), (3788, 5504760), (4320, 4826859), (4735, 4403808), (5097, 4091040), (5682, 3669840), (6480, 3217906), (6796, 3068280), (7576, 2752380), (8495, 2454624), (8523, 2446560), (9470, 2201904), (10194, 2045520), (11364, 1834920), (12960, 1608953), (13592, 1534140), (14205, 1467936), (15152, 1376190), (15291, 1363680), (16990, 1227312), (17046, 1223280), (18940, 1100952), (20388, 1022760), (22728, 917460), (25485, 818208), (25569, 815520), (27184, 767070), (28410, 733968), (30304, 688095), (30582, 681840), (33980, 613656), (34092, 611640), (37880, 550476), (40776, 511380), (42615, 489312), (45456, 458730), (45873, 454560), (50970, 409104), (51138, 407760), (54368, 383535), (56820, 366984), (61164, 340920), (67960, 306828), (68184, 305820), (75760, 275238), (76455, 272736), (76707, 271840), (81552, 255690), (85230, 244656), (90912, 229365), (91746, 227280), (101940, 204552), (102276, 203880), (113640, 183492), (122328, 170460), (127845, 163104), (135920, 153414), (136368, 152910), (137619, 151520)]