64756840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 150356160

約数和(自身を除く): 85599320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 73, 134, 146, 268, 292, 331, 335, 365, 536, 584, 662, 670, 730, 1324, 1340, 1460, 1655, 2648, 2680, 2920, 3310, 4891, 6620, 9782, 13240, 19564, 22177, 24163, 24455, 39128, 44354, 48326, 48910, 88708, 96652, 97820, 110885, 120815, 177416, 193304, 195640, 221770, 241630, 443540, 483260, 887080, 966520, 1618921, 3237842, 6475684, 8094605, 12951368, 16189210, 32378420, 64756840]

約数ペア:

[(1, 64756840), (2, 32378420), (4, 16189210), (5, 12951368), (8, 8094605), (10, 6475684), (20, 3237842), (40, 1618921), (67, 966520), (73, 887080), (134, 483260), (146, 443540), (268, 241630), (292, 221770), (331, 195640), (335, 193304), (365, 177416), (536, 120815), (584, 110885), (662, 97820), (670, 96652), (730, 88708), (1324, 48910), (1340, 48326), (1460, 44354), (1655, 39128), (2648, 24455), (2680, 24163), (2920, 22177), (3310, 19564), (4891, 13240), (6620, 9782)]