145845420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{347251}}^1$

素因数の和:347270

約数の個数: 48

約数和(自身を含む): 466706688

約数和(自身を除く): 320861268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 347251, 694502, 1041753, 1389004, 1736255, 2083506, 2430757, 3472510, 4167012, 4861514, 5208765, 6945020, 7292271, 9723028, 10417530, 12153785, 14584542, 20835060, 24307570, 29169084, 36461355, 48615140, 72922710, 145845420]

約数ペア:

[(1, 145845420), (2, 72922710), (3, 48615140), (4, 36461355), (5, 29169084), (6, 24307570), (7, 20835060), (10, 14584542), (12, 12153785), (14, 10417530), (15, 9723028), (20, 7292271), (21, 6945020), (28, 5208765), (30, 4861514), (35, 4167012), (42, 3472510), (60, 2430757), (70, 2083506), (84, 1736255), (105, 1389004), (140, 1041753), (210, 694502), (420, 347251)]