242972520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{289253}}^1$

素因数の和:289274

約数の個数: 64

約数和(自身を含む): 833051520

約数和(自身を除く): 590079000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 289253, 578506, 867759, 1157012, 1446265, 1735518, 2024771, 2314024, 2892530, 3471036, 4049542, 4338795, 5785060, 6074313, 6942072, 8099084, 8677590, 10123855, 11570120, 12148626, 16198168, 17355180, 20247710, 24297252, 30371565, 34710360, 40495420, 48594504, 60743130, 80990840, 121486260, 242972520]

約数ペア:

[(1, 242972520), (2, 121486260), (3, 80990840), (4, 60743130), (5, 48594504), (6, 40495420), (7, 34710360), (8, 30371565), (10, 24297252), (12, 20247710), (14, 17355180), (15, 16198168), (20, 12148626), (21, 11570120), (24, 10123855), (28, 8677590), (30, 8099084), (35, 6942072), (40, 6074313), (42, 5785060), (56, 4338795), (60, 4049542), (70, 3471036), (84, 2892530), (105, 2314024), (120, 2024771), (140, 1735518), (168, 1446265), (210, 1157012), (280, 867759), (420, 578506), (840, 289253)]