815493840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1153}}^1$

素因数の和:1597

約数の個数: 160

約数和(自身を含む): 2898552576

約数和(自身を除く): 2083058736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 421, 560, 840, 842, 1153, 1263, 1680, 1684, 2105, 2306, 2526, 2947, 3368, 3459, 4210, 4612, 5052, 5765, 5894, 6315, 6736, 6918, 8071, 8420, 8841, 9224, 10104, 11530, 11788, 12630, 13836, 14735, 16142, 16840, 17295, 17682, 18448, 20208, 23060, 23576, 24213, 25260, 27672, 29470, 32284, 33680, 34590, 35364, 40355, 44205, 46120, 47152, 48426, 50520, 55344, 58940, 64568, 69180, 70728, 80710, 88410, 92240, 96852, 101040, 117880, 121065, 129136, 138360, 141456, 161420, 176820, 193704, 235760, 242130, 276720, 322840, 353640, 387408, 484260, 485413, 645680, 707280, 968520, 970826, 1456239, 1937040, 1941652, 2427065, 2912478, 3397891, 3883304, 4854130, 5824956, 6795782, 7281195, 7766608, 9708260, 10193673, 11649912, 13591564, 14562390, 16989455, 19416520, 20387346, 23299824, 27183128, 29124780, 33978910, 38833040, 40774692, 50968365, 54366256, 58249560, 67957820, 81549384, 101936730, 116499120, 135915640, 163098768, 203873460, 271831280, 407746920, 815493840]

約数ペア:

[(1, 815493840), (2, 407746920), (3, 271831280), (4, 203873460), (5, 163098768), (6, 135915640), (7, 116499120), (8, 101936730), (10, 81549384), (12, 67957820), (14, 58249560), (15, 54366256), (16, 50968365), (20, 40774692), (21, 38833040), (24, 33978910), (28, 29124780), (30, 27183128), (35, 23299824), (40, 20387346), (42, 19416520), (48, 16989455), (56, 14562390), (60, 13591564), (70, 11649912), (80, 10193673), (84, 9708260), (105, 7766608), (112, 7281195), (120, 6795782), (140, 5824956), (168, 4854130), (210, 3883304), (240, 3397891), (280, 2912478), (336, 2427065), (420, 1941652), (421, 1937040), (560, 1456239), (840, 970826), (842, 968520), (1153, 707280), (1263, 645680), (1680, 485413), (1684, 484260), (2105, 387408), (2306, 353640), (2526, 322840), (2947, 276720), (3368, 242130), (3459, 235760), (4210, 193704), (4612, 176820), (5052, 161420), (5765, 141456), (5894, 138360), (6315, 129136), (6736, 121065), (6918, 117880), (8071, 101040), (8420, 96852), (8841, 92240), (9224, 88410), (10104, 80710), (11530, 70728), (11788, 69180), (12630, 64568), (13836, 58940), (14735, 55344), (16142, 50520), (16840, 48426), (17295, 47152), (17682, 46120), (18448, 44205), (20208, 40355), (23060, 35364), (23576, 34590), (24213, 33680), (25260, 32284), (27672, 29470)]