90747960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 285768000

約数和(自身を除く): 195020040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 89, 116, 120, 145, 174, 178, 232, 267, 290, 293, 348, 356, 435, 445, 534, 580, 586, 696, 712, 870, 879, 890, 1068, 1160, 1172, 1335, 1465, 1740, 1758, 1780, 2136, 2344, 2581, 2670, 2930, 3480, 3516, 3560, 4395, 5162, 5340, 5860, 7032, 7743, 8497, 8790, 10324, 10680, 11720, 12905, 15486, 16994, 17580, 20648, 25491, 25810, 26077, 30972, 33988, 35160, 38715, 42485, 50982, 51620, 52154, 61944, 67976, 77430, 78231, 84970, 101964, 103240, 104308, 127455, 130385, 154860, 156462, 169940, 203928, 208616, 254910, 260770, 309720, 312924, 339880, 391155, 509820, 521540, 625848, 756233, 782310, 1019640, 1043080, 1512466, 1564620, 2268699, 3024932, 3129240, 3781165, 4537398, 6049864, 7562330, 9074796, 11343495, 15124660, 18149592, 22686990, 30249320, 45373980, 90747960]

約数ペア:

[(1, 90747960), (2, 45373980), (3, 30249320), (4, 22686990), (5, 18149592), (6, 15124660), (8, 11343495), (10, 9074796), (12, 7562330), (15, 6049864), (20, 4537398), (24, 3781165), (29, 3129240), (30, 3024932), (40, 2268699), (58, 1564620), (60, 1512466), (87, 1043080), (89, 1019640), (116, 782310), (120, 756233), (145, 625848), (174, 521540), (178, 509820), (232, 391155), (267, 339880), (290, 312924), (293, 309720), (348, 260770), (356, 254910), (435, 208616), (445, 203928), (534, 169940), (580, 156462), (586, 154860), (696, 130385), (712, 127455), (870, 104308), (879, 103240), (890, 101964), (1068, 84970), (1160, 78231), (1172, 77430), (1335, 67976), (1465, 61944), (1740, 52154), (1758, 51620), (1780, 50982), (2136, 42485), (2344, 38715), (2581, 35160), (2670, 33988), (2930, 30972), (3480, 26077), (3516, 25810), (3560, 25491), (4395, 20648), (5162, 17580), (5340, 16994), (5860, 15486), (7032, 12905), (7743, 11720), (8497, 10680), (8790, 10324)]