157605420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{375251}}^1$

素因数の和:375270

約数の個数: 48

約数和(自身を含む): 504338688

約数和(自身を除く): 346733268

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, 375251, 750502, 1125753, 1501004, 1876255, 2251506, 2626757, 3752510, 4503012, 5253514, 5628765, 7505020, 7880271, 10507028, 11257530, 13133785, 15760542, 22515060, 26267570, 31521084, 39401355, 52535140, 78802710, 157605420]

約数ペア:

[(1, 157605420), (2, 78802710), (3, 52535140), (4, 39401355), (5, 31521084), (6, 26267570), (7, 22515060), (10, 15760542), (12, 13133785), (14, 11257530), (15, 10507028), (20, 7880271), (21, 7505020), (28, 5628765), (30, 5253514), (35, 4503012), (42, 3752510), (60, 2626757), (70, 2251506), (84, 1876255), (105, 1501004), (140, 1125753), (210, 750502), (420, 375251)]