147688960

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1915

約数の個数: 80

約数和(自身を含む): 365726592

約数和(自身を除く): 218037632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1861, 1984, 2480, 2560, 3722, 3968, 4960, 7444, 7936, 9305, 9920, 14888, 15872, 18610, 19840, 29776, 37220, 39680, 57691, 59552, 74440, 79360, 115382, 119104, 148880, 230764, 238208, 288455, 297760, 461528, 476416, 576910, 595520, 923056, 952832, 1153820, 1191040, 1846112, 2307640, 2382080, 3692224, 4615280, 4764160, 7384448, 9230560, 14768896, 18461120, 29537792, 36922240, 73844480, 147688960]

約数ペア:

[(1, 147688960), (2, 73844480), (4, 36922240), (5, 29537792), (8, 18461120), (10, 14768896), (16, 9230560), (20, 7384448), (31, 4764160), (32, 4615280), (40, 3692224), (62, 2382080), (64, 2307640), (80, 1846112), (124, 1191040), (128, 1153820), (155, 952832), (160, 923056), (248, 595520), (256, 576910), (310, 476416), (320, 461528), (496, 297760), (512, 288455), (620, 238208), (640, 230764), (992, 148880), (1240, 119104), (1280, 115382), (1861, 79360), (1984, 74440), (2480, 59552), (2560, 57691), (3722, 39680), (3968, 37220), (4960, 29776), (7444, 19840), (7936, 18610), (9305, 15872), (9920, 14888)]