312767680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:858

約数の個数: 112

約数和(自身を含む): 788578560

約数和(自身を除く): 475810880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 155, 160, 164, 205, 248, 310, 320, 328, 410, 496, 620, 656, 769, 820, 992, 1240, 1271, 1312, 1538, 1640, 1984, 2480, 2542, 2624, 3076, 3280, 3845, 4960, 5084, 6152, 6355, 6560, 7690, 9920, 10168, 12304, 12710, 13120, 15380, 20336, 23839, 24608, 25420, 30760, 31529, 40672, 47678, 49216, 50840, 61520, 63058, 81344, 95356, 101680, 119195, 123040, 126116, 157645, 190712, 203360, 238390, 246080, 252232, 315290, 381424, 406720, 476780, 504464, 630580, 762848, 953560, 977399, 1008928, 1261160, 1525696, 1907120, 1954798, 2017856, 2522320, 3814240, 3909596, 4886995, 5044640, 7628480, 7819192, 9773990, 10089280, 15638384, 19547980, 31276768, 39095960, 62553536, 78191920, 156383840, 312767680]

約数ペア:

[(1, 312767680), (2, 156383840), (4, 78191920), (5, 62553536), (8, 39095960), (10, 31276768), (16, 19547980), (20, 15638384), (31, 10089280), (32, 9773990), (40, 7819192), (41, 7628480), (62, 5044640), (64, 4886995), (80, 3909596), (82, 3814240), (124, 2522320), (155, 2017856), (160, 1954798), (164, 1907120), (205, 1525696), (248, 1261160), (310, 1008928), (320, 977399), (328, 953560), (410, 762848), (496, 630580), (620, 504464), (656, 476780), (769, 406720), (820, 381424), (992, 315290), (1240, 252232), (1271, 246080), (1312, 238390), (1538, 203360), (1640, 190712), (1984, 157645), (2480, 126116), (2542, 123040), (2624, 119195), (3076, 101680), (3280, 95356), (3845, 81344), (4960, 63058), (5084, 61520), (6152, 50840), (6355, 49216), (6560, 47678), (7690, 40672), (9920, 31529), (10168, 30760), (12304, 25420), (12710, 24608), (13120, 23839), (15380, 20336)]