640812288

素因数分解:

$2^8\times 3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 1788385536

約数和(自身を除く): 1147573248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 47, 48, 64, 82, 94, 96, 123, 128, 141, 164, 188, 192, 246, 256, 282, 328, 376, 384, 433, 492, 564, 656, 752, 768, 866, 984, 1128, 1299, 1312, 1504, 1732, 1927, 1968, 2256, 2598, 2624, 3008, 3464, 3854, 3936, 4512, 5196, 5248, 5781, 6016, 6928, 7708, 7872, 9024, 10392, 10496, 11562, 12032, 13856, 15416, 15744, 17753, 18048, 20351, 20784, 23124, 27712, 30832, 31488, 35506, 36096, 40702, 41568, 46248, 53259, 55424, 61053, 61664, 71012, 81404, 83136, 92496, 106518, 110848, 122106, 123328, 142024, 162808, 166272, 184992, 213036, 244212, 246656, 284048, 325616, 332544, 369984, 426072, 488424, 493312, 568096, 651232, 739968, 834391, 852144, 976848, 1136192, 1302464, 1479936, 1668782, 1704288, 1953696, 2272384, 2503173, 2604928, 3337564, 3408576, 3907392, 4544768, 5006346, 5209856, 6675128, 6817152, 7814784, 10012692, 13350256, 13634304, 15629568, 20025384, 26700512, 40050768, 53401024, 80101536, 106802048, 160203072, 213604096, 320406144, 640812288]

約数ペア:

[(1, 640812288), (2, 320406144), (3, 213604096), (4, 160203072), (6, 106802048), (8, 80101536), (12, 53401024), (16, 40050768), (24, 26700512), (32, 20025384), (41, 15629568), (47, 13634304), (48, 13350256), (64, 10012692), (82, 7814784), (94, 6817152), (96, 6675128), (123, 5209856), (128, 5006346), (141, 4544768), (164, 3907392), (188, 3408576), (192, 3337564), (246, 2604928), (256, 2503173), (282, 2272384), (328, 1953696), (376, 1704288), (384, 1668782), (433, 1479936), (492, 1302464), (564, 1136192), (656, 976848), (752, 852144), (768, 834391), (866, 739968), (984, 651232), (1128, 568096), (1299, 493312), (1312, 488424), (1504, 426072), (1732, 369984), (1927, 332544), (1968, 325616), (2256, 284048), (2598, 246656), (2624, 244212), (3008, 213036), (3464, 184992), (3854, 166272), (3936, 162808), (4512, 142024), (5196, 123328), (5248, 122106), (5781, 110848), (6016, 106518), (6928, 92496), (7708, 83136), (7872, 81404), (9024, 71012), (10392, 61664), (10496, 61053), (11562, 55424), (12032, 53259), (13856, 46248), (15416, 41568), (15744, 40702), (17753, 36096), (18048, 35506), (20351, 31488), (20784, 30832), (23124, 27712)]