127808440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 311078880

約数和(自身を除く): 183270440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 167, 190, 212, 265, 334, 361, 380, 424, 530, 668, 722, 760, 835, 1007, 1060, 1336, 1444, 1670, 1805, 2014, 2120, 2888, 3173, 3340, 3610, 4028, 5035, 6346, 6680, 7220, 8056, 8851, 10070, 12692, 14440, 15865, 17702, 19133, 20140, 25384, 31730, 35404, 38266, 40280, 44255, 60287, 63460, 70808, 76532, 88510, 95665, 120574, 126920, 153064, 168169, 177020, 191330, 241148, 301435, 336338, 354040, 382660, 482296, 602870, 672676, 765320, 840845, 1205740, 1345352, 1681690, 2411480, 3195211, 3363380, 6390422, 6726760, 12780844, 15976055, 25561688, 31952110, 63904220, 127808440]

約数ペア:

[(1, 127808440), (2, 63904220), (4, 31952110), (5, 25561688), (8, 15976055), (10, 12780844), (19, 6726760), (20, 6390422), (38, 3363380), (40, 3195211), (53, 2411480), (76, 1681690), (95, 1345352), (106, 1205740), (152, 840845), (167, 765320), (190, 672676), (212, 602870), (265, 482296), (334, 382660), (361, 354040), (380, 336338), (424, 301435), (530, 241148), (668, 191330), (722, 177020), (760, 168169), (835, 153064), (1007, 126920), (1060, 120574), (1336, 95665), (1444, 88510), (1670, 76532), (1805, 70808), (2014, 63460), (2120, 60287), (2888, 44255), (3173, 40280), (3340, 38266), (3610, 35404), (4028, 31730), (5035, 25384), (6346, 20140), (6680, 19133), (7220, 17702), (8056, 15865), (8851, 14440), (10070, 12692)]