4256520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 12960000

約数和(自身を除く): 8703480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 449, 474, 632, 790, 898, 948, 1185, 1347, 1580, 1796, 1896, 2245, 2370, 2694, 3160, 3592, 4490, 4740, 5388, 6735, 8980, 9480, 10776, 13470, 17960, 26940, 35471, 53880, 70942, 106413, 141884, 177355, 212826, 283768, 354710, 425652, 532065, 709420, 851304, 1064130, 1418840, 2128260, 4256520]

約数ペア:

[(1, 4256520), (2, 2128260), (3, 1418840), (4, 1064130), (5, 851304), (6, 709420), (8, 532065), (10, 425652), (12, 354710), (15, 283768), (20, 212826), (24, 177355), (30, 141884), (40, 106413), (60, 70942), (79, 53880), (120, 35471), (158, 26940), (237, 17960), (316, 13470), (395, 10776), (449, 9480), (474, 8980), (632, 6735), (790, 5388), (898, 4740), (948, 4490), (1185, 3592), (1347, 3160), (1580, 2694), (1796, 2370), (1896, 2245)]