865163040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{257489}}^1$

素因数の和:257514

約数の個数: 96

約数和(自身を含む): 3114599040

約数和(自身を除く): 2249436000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 257489, 514978, 772467, 1029956, 1287445, 1544934, 1802423, 2059912, 2574890, 3089868, 3604846, 3862335, 4119824, 5149780, 5407269, 6179736, 7209692, 7724670, 8239648, 9012115, 10299560, 10814538, 12359472, 14419384, 15449340, 18024230, 20599120, 21629076, 24718944, 27036345, 28838768, 30898680, 36048460, 41198240, 43258152, 54072690, 57677536, 61797360, 72096920, 86516304, 108145380, 123594720, 144193840, 173032608, 216290760, 288387680, 432581520, 865163040]

約数ペア:

[(1, 865163040), (2, 432581520), (3, 288387680), (4, 216290760), (5, 173032608), (6, 144193840), (7, 123594720), (8, 108145380), (10, 86516304), (12, 72096920), (14, 61797360), (15, 57677536), (16, 54072690), (20, 43258152), (21, 41198240), (24, 36048460), (28, 30898680), (30, 28838768), (32, 27036345), (35, 24718944), (40, 21629076), (42, 20599120), (48, 18024230), (56, 15449340), (60, 14419384), (70, 12359472), (80, 10814538), (84, 10299560), (96, 9012115), (105, 8239648), (112, 7724670), (120, 7209692), (140, 6179736), (160, 5407269), (168, 5149780), (210, 4119824), (224, 3862335), (240, 3604846), (280, 3089868), (336, 2574890), (420, 2059912), (480, 1802423), (560, 1544934), (672, 1287445), (840, 1029956), (1120, 772467), (1680, 514978), (3360, 257489)]