207125520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{123289}}^1$

素因数の和:123312

約数の個数: 80

約数和(自身を含む): 733822080

約数和(自身を除く): 526696560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 123289, 246578, 369867, 493156, 616445, 739734, 863023, 986312, 1232890, 1479468, 1726046, 1849335, 1972624, 2465780, 2589069, 2958936, 3452092, 3698670, 4315115, 4931560, 5178138, 5917872, 6904184, 7397340, 8630230, 9863120, 10356276, 12945345, 13808368, 14794680, 17260460, 20712552, 25890690, 29589360, 34520920, 41425104, 51781380, 69041840, 103562760, 207125520]

約数ペア:

[(1, 207125520), (2, 103562760), (3, 69041840), (4, 51781380), (5, 41425104), (6, 34520920), (7, 29589360), (8, 25890690), (10, 20712552), (12, 17260460), (14, 14794680), (15, 13808368), (16, 12945345), (20, 10356276), (21, 9863120), (24, 8630230), (28, 7397340), (30, 6904184), (35, 5917872), (40, 5178138), (42, 4931560), (48, 4315115), (56, 3698670), (60, 3452092), (70, 2958936), (80, 2589069), (84, 2465780), (105, 1972624), (112, 1849335), (120, 1726046), (140, 1479468), (168, 1232890), (210, 986312), (240, 863023), (280, 739734), (336, 616445), (420, 493156), (560, 369867), (840, 246578), (1680, 123289)]