2012561520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{21557}}^1$

素因数の和:21962

約数の個数: 80

約数和(自身を含む): 6255269280

約数和(自身を除く): 4242707760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 389, 778, 1167, 1556, 1945, 2334, 3112, 3890, 4668, 5835, 6224, 7780, 9336, 11670, 15560, 18672, 21557, 23340, 31120, 43114, 46680, 64671, 86228, 93360, 107785, 129342, 172456, 215570, 258684, 323355, 344912, 431140, 517368, 646710, 862280, 1034736, 1293420, 1724560, 2586840, 5173680, 8385673, 16771346, 25157019, 33542692, 41928365, 50314038, 67085384, 83856730, 100628076, 125785095, 134170768, 167713460, 201256152, 251570190, 335426920, 402512304, 503140380, 670853840, 1006280760, 2012561520]

約数ペア:

[(1, 2012561520), (2, 1006280760), (3, 670853840), (4, 503140380), (5, 402512304), (6, 335426920), (8, 251570190), (10, 201256152), (12, 167713460), (15, 134170768), (16, 125785095), (20, 100628076), (24, 83856730), (30, 67085384), (40, 50314038), (48, 41928365), (60, 33542692), (80, 25157019), (120, 16771346), (240, 8385673), (389, 5173680), (778, 2586840), (1167, 1724560), (1556, 1293420), (1945, 1034736), (2334, 862280), (3112, 646710), (3890, 517368), (4668, 431140), (5835, 344912), (6224, 323355), (7780, 258684), (9336, 215570), (11670, 172456), (15560, 129342), (18672, 107785), (21557, 93360), (23340, 86228), (31120, 64671), (43114, 46680)]