28792260

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{2539}}^1$

素因数の和:2567

約数の個数: 120

約数和(自身を含む): 103266240

約数和(自身を除く): 74473980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2539, 2835, 3780, 5078, 5670, 7617, 10156, 11340, 12695, 15234, 17773, 22851, 25390, 30468, 35546, 38085, 45702, 50780, 53319, 68553, 71092, 76170, 88865, 91404, 106638, 114255, 137106, 152340, 159957, 177730, 205659, 213276, 228510, 266595, 274212, 319914, 342765, 355460, 411318, 457020, 479871, 533190, 639828, 685530, 799785, 822636, 959742, 1028295, 1066380, 1371060, 1439613, 1599570, 1919484, 2056590, 2399355, 2879226, 3199140, 4113180, 4798710, 5758452, 7198065, 9597420, 14396130, 28792260]

約数ペア:

[(1, 28792260), (2, 14396130), (3, 9597420), (4, 7198065), (5, 5758452), (6, 4798710), (7, 4113180), (9, 3199140), (10, 2879226), (12, 2399355), (14, 2056590), (15, 1919484), (18, 1599570), (20, 1439613), (21, 1371060), (27, 1066380), (28, 1028295), (30, 959742), (35, 822636), (36, 799785), (42, 685530), (45, 639828), (54, 533190), (60, 479871), (63, 457020), (70, 411318), (81, 355460), (84, 342765), (90, 319914), (105, 274212), (108, 266595), (126, 228510), (135, 213276), (140, 205659), (162, 177730), (180, 159957), (189, 152340), (210, 137106), (252, 114255), (270, 106638), (315, 91404), (324, 88865), (378, 76170), (405, 71092), (420, 68553), (540, 53319), (567, 50780), (630, 45702), (756, 38085), (810, 35546), (945, 30468), (1134, 25390), (1260, 22851), (1620, 17773), (1890, 15234), (2268, 12695), (2539, 11340), (2835, 10156), (3780, 7617), (5078, 5670)]