17645680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 120

約数和(自身を含む): 47621952

約数和(自身を除く): 29976272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 47, 52, 65, 76, 80, 94, 95, 104, 130, 152, 188, 190, 208, 235, 247, 260, 304, 361, 376, 380, 470, 494, 520, 611, 722, 752, 760, 893, 940, 988, 1040, 1222, 1235, 1444, 1520, 1786, 1805, 1880, 1976, 2444, 2470, 2888, 3055, 3572, 3610, 3760, 3952, 4465, 4693, 4888, 4940, 5776, 6110, 7144, 7220, 8930, 9386, 9776, 9880, 11609, 12220, 14288, 14440, 16967, 17860, 18772, 19760, 23218, 23465, 24440, 28880, 33934, 35720, 37544, 46436, 46930, 48880, 58045, 67868, 71440, 75088, 84835, 92872, 93860, 116090, 135736, 169670, 185744, 187720, 220571, 232180, 271472, 339340, 375440, 441142, 464360, 678680, 882284, 928720, 1102855, 1357360, 1764568, 2205710, 3529136, 4411420, 8822840, 17645680]

約数ペア:

[(1, 17645680), (2, 8822840), (4, 4411420), (5, 3529136), (8, 2205710), (10, 1764568), (13, 1357360), (16, 1102855), (19, 928720), (20, 882284), (26, 678680), (38, 464360), (40, 441142), (47, 375440), (52, 339340), (65, 271472), (76, 232180), (80, 220571), (94, 187720), (95, 185744), (104, 169670), (130, 135736), (152, 116090), (188, 93860), (190, 92872), (208, 84835), (235, 75088), (247, 71440), (260, 67868), (304, 58045), (361, 48880), (376, 46930), (380, 46436), (470, 37544), (494, 35720), (520, 33934), (611, 28880), (722, 24440), (752, 23465), (760, 23218), (893, 19760), (940, 18772), (988, 17860), (1040, 16967), (1222, 14440), (1235, 14288), (1444, 12220), (1520, 11609), (1786, 9880), (1805, 9776), (1880, 9386), (1976, 8930), (2444, 7220), (2470, 7144), (2888, 6110), (3055, 5776), (3572, 4940), (3610, 4888), (3760, 4693), (3952, 4465)]