64236640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:464

約数の個数: 96

約数和(自身を含む): 165745440

約数和(自身を除く): 101508800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 89, 104, 130, 160, 178, 208, 260, 347, 356, 416, 445, 520, 694, 712, 890, 1040, 1157, 1388, 1424, 1735, 1780, 2080, 2314, 2776, 2848, 3470, 3560, 4511, 4628, 5552, 5785, 6940, 7120, 9022, 9256, 11104, 11570, 13880, 14240, 18044, 18512, 22555, 23140, 27760, 30883, 36088, 37024, 45110, 46280, 55520, 61766, 72176, 90220, 92560, 123532, 144352, 154415, 180440, 185120, 247064, 308830, 360880, 401479, 494128, 617660, 721760, 802958, 988256, 1235320, 1605916, 2007395, 2470640, 3211832, 4014790, 4941280, 6423664, 8029580, 12847328, 16059160, 32118320, 64236640]

約数ペア:

[(1, 64236640), (2, 32118320), (4, 16059160), (5, 12847328), (8, 8029580), (10, 6423664), (13, 4941280), (16, 4014790), (20, 3211832), (26, 2470640), (32, 2007395), (40, 1605916), (52, 1235320), (65, 988256), (80, 802958), (89, 721760), (104, 617660), (130, 494128), (160, 401479), (178, 360880), (208, 308830), (260, 247064), (347, 185120), (356, 180440), (416, 154415), (445, 144352), (520, 123532), (694, 92560), (712, 90220), (890, 72176), (1040, 61766), (1157, 55520), (1388, 46280), (1424, 45110), (1735, 37024), (1780, 36088), (2080, 30883), (2314, 27760), (2776, 23140), (2848, 22555), (3470, 18512), (3560, 18044), (4511, 14240), (4628, 13880), (5552, 11570), (5785, 11104), (6940, 9256), (7120, 9022)]