60205780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{809}}^1$

素因数の和:940

約数の個数: 36

約数和(自身を含む): 128697660

約数和(自身を除く): 68491880

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 809, 1220, 1618, 3236, 3721, 4045, 7442, 8090, 14884, 16180, 18605, 37210, 49349, 74420, 98698, 197396, 246745, 493490, 986980, 3010289, 6020578, 12041156, 15051445, 30102890, 60205780]

約数ペア:

[(1, 60205780), (2, 30102890), (4, 15051445), (5, 12041156), (10, 6020578), (20, 3010289), (61, 986980), (122, 493490), (244, 246745), (305, 197396), (610, 98698), (809, 74420), (1220, 49349), (1618, 37210), (3236, 18605), (3721, 16180), (4045, 14884), (7442, 8090)]