72297020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 155503488

約数和(自身を除く): 83206468

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 163, 268, 326, 331, 335, 652, 662, 670, 815, 1324, 1340, 1630, 1655, 3260, 3310, 6620, 10921, 21842, 22177, 43684, 44354, 53953, 54605, 88708, 107906, 109210, 110885, 215812, 218420, 221770, 269765, 443540, 539530, 1079060, 3614851, 7229702, 14459404, 18074255, 36148510, 72297020]

約数ペア:

[(1, 72297020), (2, 36148510), (4, 18074255), (5, 14459404), (10, 7229702), (20, 3614851), (67, 1079060), (134, 539530), (163, 443540), (268, 269765), (326, 221770), (331, 218420), (335, 215812), (652, 110885), (662, 109210), (670, 107906), (815, 88708), (1324, 54605), (1340, 53953), (1630, 44354), (1655, 43684), (3260, 22177), (3310, 21842), (6620, 10921)]