28043820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{2473}}^1$

素因数の和:2501

約数の個数: 120

約数和(自身を含む): 100582944

約数和(自身を除く): 72539124

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, 2473, 2835, 3780, 4946, 5670, 7419, 9892, 11340, 12365, 14838, 17311, 22257, 24730, 29676, 34622, 37095, 44514, 49460, 51933, 66771, 69244, 74190, 86555, 89028, 103866, 111285, 133542, 148380, 155799, 173110, 200313, 207732, 222570, 259665, 267084, 311598, 333855, 346220, 400626, 445140, 467397, 519330, 623196, 667710, 778995, 801252, 934794, 1001565, 1038660, 1335420, 1402191, 1557990, 1869588, 2003130, 2336985, 2804382, 3115980, 4006260, 4673970, 5608764, 7010955, 9347940, 14021910, 28043820]

約数ペア:

[(1, 28043820), (2, 14021910), (3, 9347940), (4, 7010955), (5, 5608764), (6, 4673970), (7, 4006260), (9, 3115980), (10, 2804382), (12, 2336985), (14, 2003130), (15, 1869588), (18, 1557990), (20, 1402191), (21, 1335420), (27, 1038660), (28, 1001565), (30, 934794), (35, 801252), (36, 778995), (42, 667710), (45, 623196), (54, 519330), (60, 467397), (63, 445140), (70, 400626), (81, 346220), (84, 333855), (90, 311598), (105, 267084), (108, 259665), (126, 222570), (135, 207732), (140, 200313), (162, 173110), (180, 155799), (189, 148380), (210, 133542), (252, 111285), (270, 103866), (315, 89028), (324, 86555), (378, 74190), (405, 69244), (420, 66771), (540, 51933), (567, 49460), (630, 44514), (756, 37095), (810, 34622), (945, 29676), (1134, 24730), (1260, 22257), (1620, 17311), (1890, 14838), (2268, 12365), (2473, 11340), (2835, 9892), (3780, 7419), (4946, 5670)]