320418456

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{4373}}^1$

素因数の和:4496

約数の個数: 64

約数和(自身を含む): 831409920

約数和(自身を除く): 510991464

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 71, 86, 129, 142, 172, 213, 258, 284, 344, 426, 516, 568, 852, 1032, 1704, 3053, 4373, 6106, 8746, 9159, 12212, 13119, 17492, 18318, 24424, 26238, 34984, 36636, 52476, 73272, 104952, 188039, 310483, 376078, 564117, 620966, 752156, 931449, 1128234, 1241932, 1504312, 1862898, 2256468, 2483864, 3725796, 4512936, 7451592, 13350769, 26701538, 40052307, 53403076, 80104614, 106806152, 160209228, 320418456]

約数ペア:

[(1, 320418456), (2, 160209228), (3, 106806152), (4, 80104614), (6, 53403076), (8, 40052307), (12, 26701538), (24, 13350769), (43, 7451592), (71, 4512936), (86, 3725796), (129, 2483864), (142, 2256468), (172, 1862898), (213, 1504312), (258, 1241932), (284, 1128234), (344, 931449), (426, 752156), (516, 620966), (568, 564117), (852, 376078), (1032, 310483), (1704, 188039), (3053, 104952), (4373, 73272), (6106, 52476), (8746, 36636), (9159, 34984), (12212, 26238), (13119, 24424), (17492, 18318)]