81206010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{67}}^3$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 219830400

約数和(自身を除く): 138624390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 67, 90, 134, 135, 201, 270, 335, 402, 603, 670, 1005, 1206, 1809, 2010, 3015, 3618, 4489, 6030, 8978, 9045, 13467, 18090, 22445, 26934, 40401, 44890, 67335, 80802, 121203, 134670, 202005, 242406, 300763, 404010, 601526, 606015, 902289, 1212030, 1503815, 1804578, 2706867, 3007630, 4511445, 5413734, 8120601, 9022890, 13534335, 16241202, 27068670, 40603005, 81206010]

約数ペア:

[(1, 81206010), (2, 40603005), (3, 27068670), (5, 16241202), (6, 13534335), (9, 9022890), (10, 8120601), (15, 5413734), (18, 4511445), (27, 3007630), (30, 2706867), (45, 1804578), (54, 1503815), (67, 1212030), (90, 902289), (134, 606015), (135, 601526), (201, 404010), (270, 300763), (335, 242406), (402, 202005), (603, 134670), (670, 121203), (1005, 80802), (1206, 67335), (1809, 44890), (2010, 40401), (3015, 26934), (3618, 22445), (4489, 18090), (6030, 13467), (8978, 9045)]