7876480

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 19486080

約数和(自身を除く): 11609600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 397, 496, 620, 640, 794, 992, 1240, 1588, 1984, 1985, 2480, 3176, 3968, 3970, 4960, 6352, 7940, 9920, 12307, 12704, 15880, 19840, 24614, 25408, 31760, 49228, 50816, 61535, 63520, 98456, 123070, 127040, 196912, 246140, 254080, 393824, 492280, 787648, 984560, 1575296, 1969120, 3938240, 7876480]

約数ペア:

[(1, 7876480), (2, 3938240), (4, 1969120), (5, 1575296), (8, 984560), (10, 787648), (16, 492280), (20, 393824), (31, 254080), (32, 246140), (40, 196912), (62, 127040), (64, 123070), (80, 98456), (124, 63520), (128, 61535), (155, 50816), (160, 49228), (248, 31760), (310, 25408), (320, 24614), (397, 19840), (496, 15880), (620, 12704), (640, 12307), (794, 9920), (992, 7940), (1240, 6352), (1588, 4960), (1984, 3970), (1985, 3968), (2480, 3176)]