79680980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 183859200

約数和(自身を除く): 104178220

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 47, 58, 74, 79, 94, 116, 145, 148, 158, 185, 188, 235, 290, 316, 370, 395, 470, 580, 740, 790, 940, 1073, 1363, 1580, 1739, 2146, 2291, 2726, 2923, 3478, 3713, 4292, 4582, 5365, 5452, 5846, 6815, 6956, 7426, 8695, 9164, 10730, 11455, 11692, 13630, 14615, 14852, 17390, 18565, 21460, 22910, 27260, 29230, 34780, 37130, 45820, 50431, 58460, 74260, 84767, 100862, 107677, 137381, 169534, 201724, 215354, 252155, 274762, 339068, 423835, 430708, 504310, 538385, 549524, 686905, 847670, 1008620, 1076770, 1373810, 1695340, 2153540, 2747620, 3984049, 7968098, 15936196, 19920245, 39840490, 79680980]

約数ペア:

[(1, 79680980), (2, 39840490), (4, 19920245), (5, 15936196), (10, 7968098), (20, 3984049), (29, 2747620), (37, 2153540), (47, 1695340), (58, 1373810), (74, 1076770), (79, 1008620), (94, 847670), (116, 686905), (145, 549524), (148, 538385), (158, 504310), (185, 430708), (188, 423835), (235, 339068), (290, 274762), (316, 252155), (370, 215354), (395, 201724), (470, 169534), (580, 137381), (740, 107677), (790, 100862), (940, 84767), (1073, 74260), (1363, 58460), (1580, 50431), (1739, 45820), (2146, 37130), (2291, 34780), (2726, 29230), (2923, 27260), (3478, 22910), (3713, 21460), (4292, 18565), (4582, 17390), (5365, 14852), (5452, 14615), (5846, 13630), (6815, 11692), (6956, 11455), (7426, 10730), (8695, 9164)]