428801520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{255239}}^1$

素因数の和:255262

約数の個数: 80

約数和(自身を含む): 1519188480

約数和(自身を除く): 1090386960

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, 255239, 510478, 765717, 1020956, 1276195, 1531434, 1786673, 2041912, 2552390, 3062868, 3573346, 3828585, 4083824, 5104780, 5360019, 6125736, 7146692, 7657170, 8933365, 10209560, 10720038, 12251472, 14293384, 15314340, 17866730, 20419120, 21440076, 26800095, 28586768, 30628680, 35733460, 42880152, 53600190, 61257360, 71466920, 85760304, 107200380, 142933840, 214400760, 428801520]

約数ペア:

[(1, 428801520), (2, 214400760), (3, 142933840), (4, 107200380), (5, 85760304), (6, 71466920), (7, 61257360), (8, 53600190), (10, 42880152), (12, 35733460), (14, 30628680), (15, 28586768), (16, 26800095), (20, 21440076), (21, 20419120), (24, 17866730), (28, 15314340), (30, 14293384), (35, 12251472), (40, 10720038), (42, 10209560), (48, 8933365), (56, 7657170), (60, 7146692), (70, 6125736), (80, 5360019), (84, 5104780), (105, 4083824), (112, 3828585), (120, 3573346), (140, 3062868), (168, 2552390), (210, 2041912), (240, 1786673), (280, 1531434), (336, 1276195), (420, 1020956), (560, 765717), (840, 510478), (1680, 255239)]