71230140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1289}}^1$

素因数の和:1611

約数の個数: 72

約数和(自身を含む): 216936720

約数和(自身を除く): 145706580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1289, 1535, 1842, 2578, 2763, 3070, 3684, 3867, 4605, 5156, 5526, 6140, 6445, 7734, 9210, 11052, 11601, 12890, 13815, 15468, 18420, 19335, 23202, 25780, 27630, 38670, 46404, 55260, 58005, 77340, 116010, 232020, 395723, 791446, 1187169, 1582892, 1978615, 2374338, 3561507, 3957230, 4748676, 5935845, 7123014, 7914460, 11871690, 14246028, 17807535, 23743380, 35615070, 71230140]

約数ペア:

[(1, 71230140), (2, 35615070), (3, 23743380), (4, 17807535), (5, 14246028), (6, 11871690), (9, 7914460), (10, 7123014), (12, 5935845), (15, 4748676), (18, 3957230), (20, 3561507), (30, 2374338), (36, 1978615), (45, 1582892), (60, 1187169), (90, 791446), (180, 395723), (307, 232020), (614, 116010), (921, 77340), (1228, 58005), (1289, 55260), (1535, 46404), (1842, 38670), (2578, 27630), (2763, 25780), (3070, 23202), (3684, 19335), (3867, 18420), (4605, 15468), (5156, 13815), (5526, 12890), (6140, 11601), (6445, 11052), (7734, 9210)]