74881380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{178289}}^1$

素因数の和:178308

約数の個数: 48

約数和(自身を含む): 239621760

約数和(自身を除く): 164740380

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, 178289, 356578, 534867, 713156, 891445, 1069734, 1248023, 1782890, 2139468, 2496046, 2674335, 3565780, 3744069, 4992092, 5348670, 6240115, 7488138, 10697340, 12480230, 14976276, 18720345, 24960460, 37440690, 74881380]

約数ペア:

[(1, 74881380), (2, 37440690), (3, 24960460), (4, 18720345), (5, 14976276), (6, 12480230), (7, 10697340), (10, 7488138), (12, 6240115), (14, 5348670), (15, 4992092), (20, 3744069), (21, 3565780), (28, 2674335), (30, 2496046), (35, 2139468), (42, 1782890), (60, 1248023), (70, 1069734), (84, 891445), (105, 713156), (140, 534867), (210, 356578), (420, 178289)]