90856480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:88

約数の個数: 216

約数和(自身を含む): 268161516

約数和(自身を除く): 177305036

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 32, 38, 40, 44, 52, 55, 65, 76, 80, 88, 95, 104, 110, 121, 130, 143, 152, 160, 176, 190, 208, 209, 220, 242, 247, 260, 286, 304, 352, 361, 380, 416, 418, 440, 484, 494, 520, 572, 605, 608, 715, 722, 760, 836, 880, 968, 988, 1040, 1045, 1144, 1210, 1235, 1430, 1444, 1520, 1573, 1672, 1760, 1805, 1936, 1976, 2080, 2090, 2288, 2299, 2420, 2470, 2717, 2860, 2888, 3040, 3146, 3344, 3610, 3872, 3952, 3971, 4180, 4576, 4598, 4693, 4840, 4940, 5434, 5720, 5776, 6292, 6688, 7220, 7865, 7904, 7942, 8360, 9196, 9386, 9680, 9880, 10868, 11440, 11495, 11552, 12584, 13585, 14440, 15730, 15884, 16720, 18392, 18772, 19360, 19760, 19855, 21736, 22880, 22990, 23465, 25168, 27170, 28880, 29887, 31460, 31768, 33440, 36784, 37544, 39520, 39710, 43472, 43681, 45980, 46930, 50336, 51623, 54340, 57760, 59774, 62920, 63536, 73568, 75088, 79420, 86944, 87362, 91960, 93860, 103246, 108680, 119548, 125840, 127072, 149435, 150176, 158840, 174724, 183920, 187720, 206492, 217360, 218405, 239096, 251680, 258115, 298870, 317680, 349448, 367840, 375440, 412984, 434720, 436810, 478192, 516230, 567853, 597740, 635360, 698896, 750880, 825968, 873620, 956384, 1032460, 1135706, 1195480, 1397792, 1651936, 1747240, 2064920, 2271412, 2390960, 2839265, 3494480, 4129840, 4542824, 4781920, 5678530, 6988960, 8259680, 9085648, 11357060, 18171296, 22714120, 45428240, 90856480]

約数ペア:

[(1, 90856480), (2, 45428240), (4, 22714120), (5, 18171296), (8, 11357060), (10, 9085648), (11, 8259680), (13, 6988960), (16, 5678530), (19, 4781920), (20, 4542824), (22, 4129840), (26, 3494480), (32, 2839265), (38, 2390960), (40, 2271412), (44, 2064920), (52, 1747240), (55, 1651936), (65, 1397792), (76, 1195480), (80, 1135706), (88, 1032460), (95, 956384), (104, 873620), (110, 825968), (121, 750880), (130, 698896), (143, 635360), (152, 597740), (160, 567853), (176, 516230), (190, 478192), (208, 436810), (209, 434720), (220, 412984), (242, 375440), (247, 367840), (260, 349448), (286, 317680), (304, 298870), (352, 258115), (361, 251680), (380, 239096), (416, 218405), (418, 217360), (440, 206492), (484, 187720), (494, 183920), (520, 174724), (572, 158840), (605, 150176), (608, 149435), (715, 127072), (722, 125840), (760, 119548), (836, 108680), (880, 103246), (968, 93860), (988, 91960), (1040, 87362), (1045, 86944), (1144, 79420), (1210, 75088), (1235, 73568), (1430, 63536), (1444, 62920), (1520, 59774), (1573, 57760), (1672, 54340), (1760, 51623), (1805, 50336), (1936, 46930), (1976, 45980), (2080, 43681), (2090, 43472), (2288, 39710), (2299, 39520), (2420, 37544), (2470, 36784), (2717, 33440), (2860, 31768), (2888, 31460), (3040, 29887), (3146, 28880), (3344, 27170), (3610, 25168), (3872, 23465), (3952, 22990), (3971, 22880), (4180, 21736), (4576, 19855), (4598, 19760), (4693, 19360), (4840, 18772), (4940, 18392), (5434, 16720), (5720, 15884), (5776, 15730), (6292, 14440), (6688, 13585), (7220, 12584), (7865, 11552), (7904, 11495), (7942, 11440), (8360, 10868), (9196, 9880), (9386, 9680)]