90937880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 236390400

約数和(自身を除く): 145452520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 59, 62, 88, 110, 113, 118, 124, 155, 220, 226, 236, 248, 295, 310, 341, 440, 452, 472, 565, 590, 620, 649, 682, 904, 1130, 1180, 1240, 1243, 1298, 1364, 1705, 1829, 2260, 2360, 2486, 2596, 2728, 3245, 3410, 3503, 3658, 4520, 4972, 5192, 6215, 6490, 6667, 6820, 7006, 7316, 9145, 9944, 12430, 12980, 13334, 13640, 14012, 14632, 17515, 18290, 20119, 24860, 25960, 26668, 28024, 33335, 35030, 36580, 38533, 40238, 49720, 53336, 66670, 70060, 73160, 73337, 77066, 80476, 100595, 133340, 140120, 146674, 154132, 160952, 192665, 201190, 206677, 266680, 293348, 308264, 366685, 385330, 402380, 413354, 586696, 733370, 770660, 804760, 826708, 1033385, 1466740, 1541320, 1653416, 2066770, 2273447, 2933480, 4133540, 4546894, 8267080, 9093788, 11367235, 18187576, 22734470, 45468940, 90937880]

約数ペア:

[(1, 90937880), (2, 45468940), (4, 22734470), (5, 18187576), (8, 11367235), (10, 9093788), (11, 8267080), (20, 4546894), (22, 4133540), (31, 2933480), (40, 2273447), (44, 2066770), (55, 1653416), (59, 1541320), (62, 1466740), (88, 1033385), (110, 826708), (113, 804760), (118, 770660), (124, 733370), (155, 586696), (220, 413354), (226, 402380), (236, 385330), (248, 366685), (295, 308264), (310, 293348), (341, 266680), (440, 206677), (452, 201190), (472, 192665), (565, 160952), (590, 154132), (620, 146674), (649, 140120), (682, 133340), (904, 100595), (1130, 80476), (1180, 77066), (1240, 73337), (1243, 73160), (1298, 70060), (1364, 66670), (1705, 53336), (1829, 49720), (2260, 40238), (2360, 38533), (2486, 36580), (2596, 35030), (2728, 33335), (3245, 28024), (3410, 26668), (3503, 25960), (3658, 24860), (4520, 20119), (4972, 18290), (5192, 17515), (6215, 14632), (6490, 14012), (6667, 13640), (6820, 13334), (7006, 12980), (7316, 12430), (9145, 9944)]