621720

素因数分解:

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

素因数の和:185

約数の個数: 96

約数和(自身を含む): 2218320

約数和(自身を除く): 1596600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 157, 165, 180, 198, 220, 264, 314, 330, 360, 396, 440, 471, 495, 628, 660, 785, 792, 942, 990, 1256, 1320, 1413, 1570, 1727, 1884, 1980, 2355, 2826, 3140, 3454, 3768, 3960, 4710, 5181, 5652, 6280, 6908, 7065, 8635, 9420, 10362, 11304, 13816, 14130, 15543, 17270, 18840, 20724, 25905, 28260, 31086, 34540, 41448, 51810, 56520, 62172, 69080, 77715, 103620, 124344, 155430, 207240, 310860, 621720]

約数ペア:

[(1, 621720), (2, 310860), (3, 207240), (4, 155430), (5, 124344), (6, 103620), (8, 77715), (9, 69080), (10, 62172), (11, 56520), (12, 51810), (15, 41448), (18, 34540), (20, 31086), (22, 28260), (24, 25905), (30, 20724), (33, 18840), (36, 17270), (40, 15543), (44, 14130), (45, 13816), (55, 11304), (60, 10362), (66, 9420), (72, 8635), (88, 7065), (90, 6908), (99, 6280), (110, 5652), (120, 5181), (132, 4710), (157, 3960), (165, 3768), (180, 3454), (198, 3140), (220, 2826), (264, 2355), (314, 1980), (330, 1884), (360, 1727), (396, 1570), (440, 1413), (471, 1320), (495, 1256), (628, 990), (660, 942), (785, 792)]