64512780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1297}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 180993120

約数和(自身を除く): 116480340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 829, 1297, 1658, 2487, 2594, 3316, 3891, 4145, 4974, 5188, 6485, 7782, 8290, 9948, 12435, 12970, 15564, 16580, 19455, 24870, 25940, 38910, 49740, 77820, 1075213, 2150426, 3225639, 4300852, 5376065, 6451278, 10752130, 12902556, 16128195, 21504260, 32256390, 64512780]

約数ペア:

[(1, 64512780), (2, 32256390), (3, 21504260), (4, 16128195), (5, 12902556), (6, 10752130), (10, 6451278), (12, 5376065), (15, 4300852), (20, 3225639), (30, 2150426), (60, 1075213), (829, 77820), (1297, 49740), (1658, 38910), (2487, 25940), (2594, 24870), (3316, 19455), (3891, 16580), (4145, 15564), (4974, 12970), (5188, 12435), (6485, 9948), (7782, 8290)]