310860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 1035216

約数和(自身を除く): 724356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 157, 165, 180, 198, 220, 314, 330, 396, 471, 495, 628, 660, 785, 942, 990, 1413, 1570, 1727, 1884, 1980, 2355, 2826, 3140, 3454, 4710, 5181, 5652, 6908, 7065, 8635, 9420, 10362, 14130, 15543, 17270, 20724, 25905, 28260, 31086, 34540, 51810, 62172, 77715, 103620, 155430, 310860]

約数ペア:

[(1, 310860), (2, 155430), (3, 103620), (4, 77715), (5, 62172), (6, 51810), (9, 34540), (10, 31086), (11, 28260), (12, 25905), (15, 20724), (18, 17270), (20, 15543), (22, 14130), (30, 10362), (33, 9420), (36, 8635), (44, 7065), (45, 6908), (55, 5652), (60, 5181), (66, 4710), (90, 3454), (99, 3140), (110, 2826), (132, 2355), (157, 1980), (165, 1884), (180, 1727), (198, 1570), (220, 1413), (314, 990), (330, 942), (396, 785), (471, 660), (495, 628)]