421617840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{250963}}^1$

素因数の和:250986

約数の個数: 80

約数和(自身を含む): 1493737728

約数和(自身を除く): 1072119888

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, 560, 840, 1680, 250963, 501926, 752889, 1003852, 1254815, 1505778, 1756741, 2007704, 2509630, 3011556, 3513482, 3764445, 4015408, 5019260, 5270223, 6023112, 7026964, 7528890, 8783705, 10038520, 10540446, 12046224, 14053928, 15057780, 17567410, 20077040, 21080892, 26351115, 28107856, 30115560, 35134820, 42161784, 52702230, 60231120, 70269640, 84323568, 105404460, 140539280, 210808920, 421617840]

約数ペア:

[(1, 421617840), (2, 210808920), (3, 140539280), (4, 105404460), (5, 84323568), (6, 70269640), (7, 60231120), (8, 52702230), (10, 42161784), (12, 35134820), (14, 30115560), (15, 28107856), (16, 26351115), (20, 21080892), (21, 20077040), (24, 17567410), (28, 15057780), (30, 14053928), (35, 12046224), (40, 10540446), (42, 10038520), (48, 8783705), (56, 7528890), (60, 7026964), (70, 6023112), (80, 5270223), (84, 5019260), (105, 4015408), (112, 3764445), (120, 3513482), (140, 3011556), (168, 2509630), (210, 2007704), (240, 1756741), (280, 1505778), (336, 1254815), (420, 1003852), (560, 752889), (840, 501926), (1680, 250963)]