86890720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11083}}^1$

素因数の和:11112

約数の個数: 72

約数和(自身を含む): 238815864

約数和(自身を除く): 151925144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 11083, 22166, 44332, 55415, 77581, 88664, 110830, 155162, 177328, 221660, 310324, 354656, 387905, 443320, 543067, 620648, 775810, 886640, 1086134, 1241296, 1551620, 1773280, 2172268, 2482592, 2715335, 3103240, 4344536, 5430670, 6206480, 8689072, 10861340, 12412960, 17378144, 21722680, 43445360, 86890720]

約数ペア:

[(1, 86890720), (2, 43445360), (4, 21722680), (5, 17378144), (7, 12412960), (8, 10861340), (10, 8689072), (14, 6206480), (16, 5430670), (20, 4344536), (28, 3103240), (32, 2715335), (35, 2482592), (40, 2172268), (49, 1773280), (56, 1551620), (70, 1241296), (80, 1086134), (98, 886640), (112, 775810), (140, 620648), (160, 543067), (196, 443320), (224, 387905), (245, 354656), (280, 310324), (392, 221660), (490, 177328), (560, 155162), (784, 110830), (980, 88664), (1120, 77581), (1568, 55415), (1960, 44332), (3920, 22166), (7840, 11083)]