2012800920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1290257}}^1$

素因数の和:1290284

約数の個数: 64

約数和(自身を含む): 6502900320

約数和(自身を除く): 4490099400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1290257, 2580514, 3870771, 5161028, 6451285, 7741542, 10322056, 12902570, 15483084, 16773341, 19353855, 25805140, 30966168, 33546682, 38707710, 50320023, 51610280, 67093364, 77415420, 83866705, 100640046, 134186728, 154830840, 167733410, 201280092, 251600115, 335466820, 402560184, 503200230, 670933640, 1006400460, 2012800920]

約数ペア:

[(1, 2012800920), (2, 1006400460), (3, 670933640), (4, 503200230), (5, 402560184), (6, 335466820), (8, 251600115), (10, 201280092), (12, 167733410), (13, 154830840), (15, 134186728), (20, 100640046), (24, 83866705), (26, 77415420), (30, 67093364), (39, 51610280), (40, 50320023), (52, 38707710), (60, 33546682), (65, 30966168), (78, 25805140), (104, 19353855), (120, 16773341), (130, 15483084), (156, 12902570), (195, 10322056), (260, 7741542), (312, 6451285), (390, 5161028), (520, 3870771), (780, 2580514), (1560, 1290257)]