312840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:107

約数の個数: 96

約数和(自身を含む): 1123200

約数和(自身を除く): 810360

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, 79, 88, 90, 99, 110, 120, 132, 158, 165, 180, 198, 220, 237, 264, 316, 330, 360, 395, 396, 440, 474, 495, 632, 660, 711, 790, 792, 869, 948, 990, 1185, 1320, 1422, 1580, 1738, 1896, 1980, 2370, 2607, 2844, 3160, 3476, 3555, 3960, 4345, 4740, 5214, 5688, 6952, 7110, 7821, 8690, 9480, 10428, 13035, 14220, 15642, 17380, 20856, 26070, 28440, 31284, 34760, 39105, 52140, 62568, 78210, 104280, 156420, 312840]

約数ペア:

[(1, 312840), (2, 156420), (3, 104280), (4, 78210), (5, 62568), (6, 52140), (8, 39105), (9, 34760), (10, 31284), (11, 28440), (12, 26070), (15, 20856), (18, 17380), (20, 15642), (22, 14220), (24, 13035), (30, 10428), (33, 9480), (36, 8690), (40, 7821), (44, 7110), (45, 6952), (55, 5688), (60, 5214), (66, 4740), (72, 4345), (79, 3960), (88, 3555), (90, 3476), (99, 3160), (110, 2844), (120, 2607), (132, 2370), (158, 1980), (165, 1896), (180, 1738), (198, 1580), (220, 1422), (237, 1320), (264, 1185), (316, 990), (330, 948), (360, 869), (395, 792), (396, 790), (440, 711), (474, 660), (495, 632)]