686438208

素因数分解:

$2^6\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1$

素因数の和:1125

約数の個数: 168

約数和(自身を含む): 2087920640

約数和(自身を除く): 1401482432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 37, 48, 62, 64, 72, 74, 93, 96, 111, 124, 144, 148, 186, 192, 222, 248, 279, 288, 296, 333, 372, 444, 496, 558, 576, 592, 666, 744, 888, 992, 1039, 1116, 1147, 1184, 1332, 1488, 1776, 1984, 2078, 2232, 2294, 2368, 2664, 2976, 3117, 3441, 3552, 4156, 4464, 4588, 5328, 5952, 6234, 6882, 7104, 8312, 8928, 9176, 9351, 10323, 10656, 12468, 13764, 16624, 17856, 18352, 18702, 20646, 21312, 24936, 27528, 32209, 33248, 36704, 37404, 38443, 41292, 49872, 55056, 64418, 66496, 73408, 74808, 76886, 82584, 96627, 99744, 110112, 115329, 128836, 149616, 153772, 165168, 193254, 199488, 220224, 230658, 257672, 289881, 299232, 307544, 330336, 345987, 386508, 461316, 515344, 579762, 598464, 615088, 660672, 691974, 773016, 922632, 1030688, 1159524, 1191733, 1230176, 1383948, 1546032, 1845264, 2061376, 2319048, 2383466, 2460352, 2767896, 3092064, 3575199, 3690528, 4638096, 4766932, 5535792, 6184128, 7150398, 7381056, 9276192, 9533864, 10725597, 11071584, 14300796, 18552384, 19067728, 21451194, 22143168, 28601592, 38135456, 42902388, 57203184, 76270912, 85804776, 114406368, 171609552, 228812736, 343219104, 686438208]

約数ペア:

[(1, 686438208), (2, 343219104), (3, 228812736), (4, 171609552), (6, 114406368), (8, 85804776), (9, 76270912), (12, 57203184), (16, 42902388), (18, 38135456), (24, 28601592), (31, 22143168), (32, 21451194), (36, 19067728), (37, 18552384), (48, 14300796), (62, 11071584), (64, 10725597), (72, 9533864), (74, 9276192), (93, 7381056), (96, 7150398), (111, 6184128), (124, 5535792), (144, 4766932), (148, 4638096), (186, 3690528), (192, 3575199), (222, 3092064), (248, 2767896), (279, 2460352), (288, 2383466), (296, 2319048), (333, 2061376), (372, 1845264), (444, 1546032), (496, 1383948), (558, 1230176), (576, 1191733), (592, 1159524), (666, 1030688), (744, 922632), (888, 773016), (992, 691974), (1039, 660672), (1116, 615088), (1147, 598464), (1184, 579762), (1332, 515344), (1488, 461316), (1776, 386508), (1984, 345987), (2078, 330336), (2232, 307544), (2294, 299232), (2368, 289881), (2664, 257672), (2976, 230658), (3117, 220224), (3441, 199488), (3552, 193254), (4156, 165168), (4464, 153772), (4588, 149616), (5328, 128836), (5952, 115329), (6234, 110112), (6882, 99744), (7104, 96627), (8312, 82584), (8928, 76886), (9176, 74808), (9351, 73408), (10323, 66496), (10656, 64418), (12468, 55056), (13764, 49872), (16624, 41292), (17856, 38443), (18352, 37404), (18702, 36704), (20646, 33248), (21312, 32209), (24936, 27528)]