320555128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{547}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 662860800

約数和(自身を除く): 342305672

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 139, 248, 278, 527, 547, 556, 1054, 1094, 1112, 2108, 2188, 2363, 4216, 4309, 4376, 4726, 8618, 9299, 9452, 16957, 17236, 18598, 18904, 33914, 34472, 37196, 67828, 73253, 74392, 76033, 135656, 146506, 152066, 288269, 293012, 304132, 576538, 586024, 608264, 1153076, 1292561, 2306152, 2357023, 2585122, 4714046, 5170244, 9428092, 10340488, 18856184, 40069391, 80138782, 160277564, 320555128]

約数ペア:

[(1, 320555128), (2, 160277564), (4, 80138782), (8, 40069391), (17, 18856184), (31, 10340488), (34, 9428092), (62, 5170244), (68, 4714046), (124, 2585122), (136, 2357023), (139, 2306152), (248, 1292561), (278, 1153076), (527, 608264), (547, 586024), (556, 576538), (1054, 304132), (1094, 293012), (1112, 288269), (2108, 152066), (2188, 146506), (2363, 135656), (4216, 76033), (4309, 74392), (4376, 73253), (4726, 67828), (8618, 37196), (9299, 34472), (9452, 33914), (16957, 18904), (17236, 18598)]