1624439680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2088

約数の個数: 128

約数和(自身を含む): 4108527360

約数和(自身を除く): 2484087680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 310, 320, 328, 410, 496, 620, 640, 656, 820, 992, 1240, 1271, 1312, 1640, 1984, 1997, 2480, 2542, 2624, 3280, 3968, 3994, 4960, 5084, 5248, 6355, 6560, 7988, 9920, 9985, 10168, 12710, 13120, 15976, 19840, 19970, 20336, 25420, 26240, 31952, 39940, 40672, 50840, 61907, 63904, 79880, 81344, 81877, 101680, 123814, 127808, 159760, 162688, 163754, 203360, 247628, 255616, 309535, 319520, 327508, 406720, 409385, 495256, 619070, 639040, 655016, 813440, 818770, 990512, 1238140, 1278080, 1310032, 1637540, 1981024, 2476280, 2538187, 2620064, 3275080, 3962048, 4952560, 5076374, 5240128, 6550160, 7924096, 9905120, 10152748, 10480256, 12690935, 13100320, 19810240, 20305496, 25381870, 26200640, 39620480, 40610992, 50763740, 52401280, 81221984, 101527480, 162443968, 203054960, 324887936, 406109920, 812219840, 1624439680]

約数ペア:

[(1, 1624439680), (2, 812219840), (4, 406109920), (5, 324887936), (8, 203054960), (10, 162443968), (16, 101527480), (20, 81221984), (31, 52401280), (32, 50763740), (40, 40610992), (41, 39620480), (62, 26200640), (64, 25381870), (80, 20305496), (82, 19810240), (124, 13100320), (128, 12690935), (155, 10480256), (160, 10152748), (164, 9905120), (205, 7924096), (248, 6550160), (310, 5240128), (320, 5076374), (328, 4952560), (410, 3962048), (496, 3275080), (620, 2620064), (640, 2538187), (656, 2476280), (820, 1981024), (992, 1637540), (1240, 1310032), (1271, 1278080), (1312, 1238140), (1640, 990512), (1984, 818770), (1997, 813440), (2480, 655016), (2542, 639040), (2624, 619070), (3280, 495256), (3968, 409385), (3994, 406720), (4960, 327508), (5084, 319520), (5248, 309535), (6355, 255616), (6560, 247628), (7988, 203360), (9920, 163754), (9985, 162688), (10168, 159760), (12710, 127808), (13120, 123814), (15976, 101680), (19840, 81877), (19970, 81344), (20336, 79880), (25420, 63904), (26240, 61907), (31952, 50840), (39940, 40672)]