140447360

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7079}}^1$

素因数の和:7129

約数の個数: 64

約数和(自身を含む): 346636800

約数和(自身を除く): 206189440

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, 7079, 9920, 14158, 19840, 28316, 35395, 56632, 70790, 113264, 141580, 219449, 226528, 283160, 438898, 453056, 566320, 877796, 906112, 1097245, 1132640, 1755592, 2194490, 2265280, 3511184, 4388980, 4530560, 7022368, 8777960, 14044736, 17555920, 28089472, 35111840, 70223680, 140447360]

約数ペア:

[(1, 140447360), (2, 70223680), (4, 35111840), (5, 28089472), (8, 17555920), (10, 14044736), (16, 8777960), (20, 7022368), (31, 4530560), (32, 4388980), (40, 3511184), (62, 2265280), (64, 2194490), (80, 1755592), (124, 1132640), (128, 1097245), (155, 906112), (160, 877796), (248, 566320), (310, 453056), (320, 438898), (496, 283160), (620, 226528), (640, 219449), (992, 141580), (1240, 113264), (1984, 70790), (2480, 56632), (3968, 35395), (4960, 28316), (7079, 19840), (9920, 14158)]