15325640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 38301120

約数和(自身を除く): 22975480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 571, 610, 671, 1142, 1220, 1342, 2284, 2440, 2684, 2855, 3355, 4568, 5368, 5710, 6281, 6710, 11420, 12562, 13420, 22840, 25124, 26840, 31405, 34831, 50248, 62810, 69662, 125620, 139324, 174155, 251240, 278648, 348310, 383141, 696620, 766282, 1393240, 1532564, 1915705, 3065128, 3831410, 7662820, 15325640]

約数ペア:

[(1, 15325640), (2, 7662820), (4, 3831410), (5, 3065128), (8, 1915705), (10, 1532564), (11, 1393240), (20, 766282), (22, 696620), (40, 383141), (44, 348310), (55, 278648), (61, 251240), (88, 174155), (110, 139324), (122, 125620), (220, 69662), (244, 62810), (305, 50248), (440, 34831), (488, 31405), (571, 26840), (610, 25124), (671, 22840), (1142, 13420), (1220, 12562), (1342, 11420), (2284, 6710), (2440, 6281), (2684, 5710), (2855, 5368), (3355, 4568)]