15957780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{839}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 44876160

約数和(自身を除く): 28918380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 839, 951, 1268, 1585, 1678, 1902, 2517, 3170, 3356, 3804, 4195, 4755, 5034, 6340, 8390, 9510, 10068, 12585, 16780, 19020, 25170, 50340, 265963, 531926, 797889, 1063852, 1329815, 1595778, 2659630, 3191556, 3989445, 5319260, 7978890, 15957780]

約数ペア:

[(1, 15957780), (2, 7978890), (3, 5319260), (4, 3989445), (5, 3191556), (6, 2659630), (10, 1595778), (12, 1329815), (15, 1063852), (20, 797889), (30, 531926), (60, 265963), (317, 50340), (634, 25170), (839, 19020), (951, 16780), (1268, 12585), (1585, 10068), (1678, 9510), (1902, 8390), (2517, 6340), (3170, 5034), (3356, 4755), (3804, 4195)]