808918960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{743}}^1$

素因数の和:1226

約数の個数: 80

約数和(自身を含む): 1948446720

約数和(自身を除く): 1139527760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 439, 496, 620, 743, 878, 1240, 1486, 1756, 2195, 2480, 2972, 3512, 3715, 4390, 5944, 7024, 7430, 8780, 11888, 13609, 14860, 17560, 23033, 27218, 29720, 35120, 46066, 54436, 59440, 68045, 92132, 108872, 115165, 136090, 184264, 217744, 230330, 272180, 326177, 368528, 460660, 544360, 652354, 921320, 1088720, 1304708, 1630885, 1842640, 2609416, 3261770, 5218832, 6523540, 10111487, 13047080, 20222974, 26094160, 40445948, 50557435, 80891896, 101114870, 161783792, 202229740, 404459480, 808918960]

約数ペア:

[(1, 808918960), (2, 404459480), (4, 202229740), (5, 161783792), (8, 101114870), (10, 80891896), (16, 50557435), (20, 40445948), (31, 26094160), (40, 20222974), (62, 13047080), (80, 10111487), (124, 6523540), (155, 5218832), (248, 3261770), (310, 2609416), (439, 1842640), (496, 1630885), (620, 1304708), (743, 1088720), (878, 921320), (1240, 652354), (1486, 544360), (1756, 460660), (2195, 368528), (2480, 326177), (2972, 272180), (3512, 230330), (3715, 217744), (4390, 184264), (5944, 136090), (7024, 115165), (7430, 108872), (8780, 92132), (11888, 68045), (13609, 59440), (14860, 54436), (17560, 46066), (23033, 35120), (27218, 29720)]