210630840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{250751}}^1$

素因数の和:250772

約数の個数: 64

約数和(自身を含む): 722165760

約数和(自身を除く): 511534920

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, 250751, 501502, 752253, 1003004, 1253755, 1504506, 1755257, 2006008, 2507510, 3009012, 3510514, 3761265, 5015020, 5265771, 6018024, 7021028, 7522530, 8776285, 10030040, 10531542, 14042056, 15045060, 17552570, 21063084, 26328855, 30090120, 35105140, 42126168, 52657710, 70210280, 105315420, 210630840]

約数ペア:

[(1, 210630840), (2, 105315420), (3, 70210280), (4, 52657710), (5, 42126168), (6, 35105140), (7, 30090120), (8, 26328855), (10, 21063084), (12, 17552570), (14, 15045060), (15, 14042056), (20, 10531542), (21, 10030040), (24, 8776285), (28, 7522530), (30, 7021028), (35, 6018024), (40, 5265771), (42, 5015020), (56, 3761265), (60, 3510514), (70, 3009012), (84, 2507510), (105, 2006008), (120, 1755257), (140, 1504506), (168, 1253755), (210, 1003004), (280, 752253), (420, 501502), (840, 250751)]