72810780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{173359}}^1$

素因数の和:173378

約数の個数: 48

約数和(自身を含む): 232995840

約数和(自身を除く): 160185060

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, 173359, 346718, 520077, 693436, 866795, 1040154, 1213513, 1733590, 2080308, 2427026, 2600385, 3467180, 3640539, 4854052, 5200770, 6067565, 7281078, 10401540, 12135130, 14562156, 18202695, 24270260, 36405390, 72810780]

約数ペア:

[(1, 72810780), (2, 36405390), (3, 24270260), (4, 18202695), (5, 14562156), (6, 12135130), (7, 10401540), (10, 7281078), (12, 6067565), (14, 5200770), (15, 4854052), (20, 3640539), (21, 3467180), (28, 2600385), (30, 2427026), (35, 2080308), (42, 1733590), (60, 1213513), (70, 1040154), (84, 866795), (105, 693436), (140, 520077), (210, 346718), (420, 173359)]