89691680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 239065344

約数和(自身を除く): 149373664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 107, 124, 130, 155, 160, 169, 208, 214, 248, 260, 310, 338, 403, 416, 428, 496, 520, 535, 620, 676, 806, 845, 856, 992, 1040, 1070, 1240, 1352, 1391, 1612, 1690, 1712, 2015, 2080, 2140, 2480, 2704, 2782, 3224, 3317, 3380, 3424, 4030, 4280, 4960, 5239, 5408, 5564, 6448, 6634, 6760, 6955, 8060, 8560, 10478, 11128, 12896, 13268, 13520, 13910, 16120, 16585, 17120, 18083, 20956, 22256, 26195, 26536, 27040, 27820, 32240, 33170, 36166, 41912, 43121, 44512, 52390, 53072, 55640, 64480, 66340, 72332, 83824, 86242, 90415, 104780, 106144, 111280, 132680, 144664, 167648, 172484, 180830, 209560, 215605, 222560, 265360, 289328, 344968, 361660, 419120, 431210, 530720, 560573, 578656, 689936, 723320, 838240, 862420, 1121146, 1379872, 1446640, 1724840, 2242292, 2802865, 2893280, 3449680, 4484584, 5605730, 6899360, 8969168, 11211460, 17938336, 22422920, 44845840, 89691680]

約数ペア:

[(1, 89691680), (2, 44845840), (4, 22422920), (5, 17938336), (8, 11211460), (10, 8969168), (13, 6899360), (16, 5605730), (20, 4484584), (26, 3449680), (31, 2893280), (32, 2802865), (40, 2242292), (52, 1724840), (62, 1446640), (65, 1379872), (80, 1121146), (104, 862420), (107, 838240), (124, 723320), (130, 689936), (155, 578656), (160, 560573), (169, 530720), (208, 431210), (214, 419120), (248, 361660), (260, 344968), (310, 289328), (338, 265360), (403, 222560), (416, 215605), (428, 209560), (496, 180830), (520, 172484), (535, 167648), (620, 144664), (676, 132680), (806, 111280), (845, 106144), (856, 104780), (992, 90415), (1040, 86242), (1070, 83824), (1240, 72332), (1352, 66340), (1391, 64480), (1612, 55640), (1690, 53072), (1712, 52390), (2015, 44512), (2080, 43121), (2140, 41912), (2480, 36166), (2704, 33170), (2782, 32240), (3224, 27820), (3317, 27040), (3380, 26536), (3424, 26195), (4030, 22256), (4280, 20956), (4960, 18083), (5239, 17120), (5408, 16585), (5564, 16120), (6448, 13910), (6634, 13520), (6760, 13268), (6955, 12896), (8060, 11128), (8560, 10478)]