126916480

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6397}}^1$

素因数の和:6447

約数の個数: 64

約数和(自身を含む): 313246080

約数和(自身を除く): 186329600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 6397, 9920, 12794, 19840, 25588, 31985, 51176, 63970, 102352, 127940, 198307, 204704, 255880, 396614, 409408, 511760, 793228, 818816, 991535, 1023520, 1586456, 1983070, 2047040, 3172912, 3966140, 4094080, 6345824, 7932280, 12691648, 15864560, 25383296, 31729120, 63458240, 126916480]

約数ペア:

[(1, 126916480), (2, 63458240), (4, 31729120), (5, 25383296), (8, 15864560), (10, 12691648), (16, 7932280), (20, 6345824), (31, 4094080), (32, 3966140), (40, 3172912), (62, 2047040), (64, 1983070), (80, 1586456), (124, 1023520), (128, 991535), (155, 818816), (160, 793228), (248, 511760), (310, 409408), (320, 396614), (496, 255880), (620, 204704), (640, 198307), (992, 127940), (1240, 102352), (1984, 63970), (2480, 51176), (3968, 31985), (4960, 25588), (6397, 19840), (9920, 12794)]