90493960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 232243200

約数和(自身を除く): 141749240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 31, 38, 40, 46, 62, 76, 92, 95, 115, 124, 152, 155, 167, 184, 190, 230, 248, 310, 334, 380, 437, 460, 589, 620, 668, 713, 760, 835, 874, 920, 1178, 1240, 1336, 1426, 1670, 1748, 2185, 2356, 2852, 2945, 3173, 3340, 3496, 3565, 3841, 4370, 4712, 5177, 5704, 5890, 6346, 6680, 7130, 7682, 8740, 10354, 11780, 12692, 13547, 14260, 15364, 15865, 17480, 19205, 20708, 23560, 25384, 25885, 27094, 28520, 30728, 31730, 38410, 41416, 51770, 54188, 63460, 67735, 72979, 76820, 98363, 103540, 108376, 119071, 126920, 135470, 145958, 153640, 196726, 207080, 238142, 270940, 291916, 364895, 393452, 476284, 491815, 541880, 583832, 595355, 729790, 786904, 952568, 983630, 1190710, 1459580, 1967260, 2262349, 2381420, 2919160, 3934520, 4524698, 4762840, 9049396, 11311745, 18098792, 22623490, 45246980, 90493960]

約数ペア:

[(1, 90493960), (2, 45246980), (4, 22623490), (5, 18098792), (8, 11311745), (10, 9049396), (19, 4762840), (20, 4524698), (23, 3934520), (31, 2919160), (38, 2381420), (40, 2262349), (46, 1967260), (62, 1459580), (76, 1190710), (92, 983630), (95, 952568), (115, 786904), (124, 729790), (152, 595355), (155, 583832), (167, 541880), (184, 491815), (190, 476284), (230, 393452), (248, 364895), (310, 291916), (334, 270940), (380, 238142), (437, 207080), (460, 196726), (589, 153640), (620, 145958), (668, 135470), (713, 126920), (760, 119071), (835, 108376), (874, 103540), (920, 98363), (1178, 76820), (1240, 72979), (1336, 67735), (1426, 63460), (1670, 54188), (1748, 51770), (2185, 41416), (2356, 38410), (2852, 31730), (2945, 30728), (3173, 28520), (3340, 27094), (3496, 25885), (3565, 25384), (3841, 23560), (4370, 20708), (4712, 19205), (5177, 17480), (5704, 15865), (5890, 15364), (6346, 14260), (6680, 13547), (7130, 12692), (7682, 11780), (8740, 10354)]