156921676840

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{983}}^1\times {\mathrm{17581}}^1$

素因数の和:18802

約数の個数: 64

約数和(自身を含む): 355010117760

約数和(自身を除く): 198088440920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 983, 1135, 1816, 1966, 2270, 3932, 4540, 4915, 7864, 9080, 9830, 17581, 19660, 35162, 39320, 70324, 87905, 140648, 175810, 223141, 351620, 446282, 703240, 892564, 1115705, 1785128, 2231410, 3990887, 4462820, 7981774, 8925640, 15963548, 17282123, 19954435, 31927096, 34564246, 39908870, 69128492, 79817740, 86410615, 138256984, 159635480, 172821230, 345642460, 691284920, 3923041921, 7846083842, 15692167684, 19615209605, 31384335368, 39230419210, 78460838420, 156921676840]

約数ペア:

[(1, 156921676840), (2, 78460838420), (4, 39230419210), (5, 31384335368), (8, 19615209605), (10, 15692167684), (20, 7846083842), (40, 3923041921), (227, 691284920), (454, 345642460), (908, 172821230), (983, 159635480), (1135, 138256984), (1816, 86410615), (1966, 79817740), (2270, 69128492), (3932, 39908870), (4540, 34564246), (4915, 31927096), (7864, 19954435), (9080, 17282123), (9830, 15963548), (17581, 8925640), (19660, 7981774), (35162, 4462820), (39320, 3990887), (70324, 2231410), (87905, 1785128), (140648, 1115705), (175810, 892564), (223141, 703240), (351620, 446282)]