138972660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{17681}}^1$

素因数の和:17824

約数の個数: 48

約数和(自身を含む): 392116032

約数和(自身を除く): 253143372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 17681, 35362, 53043, 70724, 88405, 106086, 176810, 212172, 265215, 353620, 530430, 1060860, 2316211, 4632422, 6948633, 9264844, 11581055, 13897266, 23162110, 27794532, 34743165, 46324220, 69486330, 138972660]

約数ペア:

[(1, 138972660), (2, 69486330), (3, 46324220), (4, 34743165), (5, 27794532), (6, 23162110), (10, 13897266), (12, 11581055), (15, 9264844), (20, 6948633), (30, 4632422), (60, 2316211), (131, 1060860), (262, 530430), (393, 353620), (524, 265215), (655, 212172), (786, 176810), (1310, 106086), (1572, 88405), (1965, 70724), (2620, 53043), (3930, 35362), (7860, 17681)]