1624140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1289}}^1$

素因数の和:1311

約数の個数: 72

約数和(自身を含む): 5634720

約数和(自身を除く): 4010580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1289, 2578, 3867, 5156, 6445, 7734, 9023, 11601, 12890, 15468, 18046, 19335, 23202, 25780, 27069, 36092, 38670, 45115, 46404, 54138, 58005, 77340, 81207, 90230, 108276, 116010, 135345, 162414, 180460, 232020, 270690, 324828, 406035, 541380, 812070, 1624140]

約数ペア:

[(1, 1624140), (2, 812070), (3, 541380), (4, 406035), (5, 324828), (6, 270690), (7, 232020), (9, 180460), (10, 162414), (12, 135345), (14, 116010), (15, 108276), (18, 90230), (20, 81207), (21, 77340), (28, 58005), (30, 54138), (35, 46404), (36, 45115), (42, 38670), (45, 36092), (60, 27069), (63, 25780), (70, 23202), (84, 19335), (90, 18046), (105, 15468), (126, 12890), (140, 11601), (180, 9023), (210, 7734), (252, 6445), (315, 5156), (420, 3867), (630, 2578), (1260, 1289)]