1551166820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{1381}}^1$

素因数の和:1581

約数の個数: 96

約数和(自身を含む): 3811401216

約数和(自身を除く): 2260234396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 113, 140, 142, 226, 284, 355, 452, 497, 565, 710, 791, 994, 1130, 1381, 1420, 1582, 1988, 2260, 2485, 2762, 3164, 3955, 4970, 5524, 6905, 7910, 8023, 9667, 9940, 13810, 15820, 16046, 19334, 27620, 32092, 38668, 40115, 48335, 56161, 80230, 96670, 98051, 112322, 156053, 160460, 193340, 196102, 224644, 280805, 312106, 392204, 490255, 561610, 624212, 686357, 780265, 980510, 1092371, 1123220, 1372714, 1560530, 1961020, 2184742, 2745428, 3121060, 3431785, 4369484, 5461855, 6863570, 10923710, 11079763, 13727140, 21847420, 22159526, 44319052, 55398815, 77558341, 110797630, 155116682, 221595260, 310233364, 387791705, 775583410, 1551166820]

約数ペア:

[(1, 1551166820), (2, 775583410), (4, 387791705), (5, 310233364), (7, 221595260), (10, 155116682), (14, 110797630), (20, 77558341), (28, 55398815), (35, 44319052), (70, 22159526), (71, 21847420), (113, 13727140), (140, 11079763), (142, 10923710), (226, 6863570), (284, 5461855), (355, 4369484), (452, 3431785), (497, 3121060), (565, 2745428), (710, 2184742), (791, 1961020), (994, 1560530), (1130, 1372714), (1381, 1123220), (1420, 1092371), (1582, 980510), (1988, 780265), (2260, 686357), (2485, 624212), (2762, 561610), (3164, 490255), (3955, 392204), (4970, 312106), (5524, 280805), (6905, 224644), (7910, 196102), (8023, 193340), (9667, 160460), (9940, 156053), (13810, 112322), (15820, 98051), (16046, 96670), (19334, 80230), (27620, 56161), (32092, 48335), (38668, 40115)]