15605720120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{328127}}^1$

素因数の和:328208

約数の個数: 64

約数和(自身を含む): 37209715200

約数和(自身を除く): 21603995080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 1160, 1189, 1640, 2378, 4756, 5945, 9512, 11890, 23780, 47560, 328127, 656254, 1312508, 1640635, 2625016, 3281270, 6562540, 9515683, 13125080, 13453207, 19031366, 26906414, 38062732, 47578415, 53812828, 67266035, 76125464, 95156830, 107625656, 134532070, 190313660, 269064140, 380627320, 390143003, 538128280, 780286006, 1560572012, 1950715015, 3121144024, 3901430030, 7802860060, 15605720120]

約数ペア:

[(1, 15605720120), (2, 7802860060), (4, 3901430030), (5, 3121144024), (8, 1950715015), (10, 1560572012), (20, 780286006), (29, 538128280), (40, 390143003), (41, 380627320), (58, 269064140), (82, 190313660), (116, 134532070), (145, 107625656), (164, 95156830), (205, 76125464), (232, 67266035), (290, 53812828), (328, 47578415), (410, 38062732), (580, 26906414), (820, 19031366), (1160, 13453207), (1189, 13125080), (1640, 9515683), (2378, 6562540), (4756, 3281270), (5945, 2625016), (9512, 1640635), (11890, 1312508), (23780, 656254), (47560, 328127)]