28720890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 82869696

約数和(自身を除く): 54148806

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 67, 90, 99, 110, 134, 165, 198, 201, 330, 335, 402, 433, 495, 603, 670, 737, 866, 990, 1005, 1206, 1299, 1474, 2010, 2165, 2211, 2598, 3015, 3685, 3897, 4330, 4422, 4763, 6030, 6495, 6633, 7370, 7794, 9526, 11055, 12990, 13266, 14289, 19485, 22110, 23815, 28578, 29011, 33165, 38970, 42867, 47630, 58022, 66330, 71445, 85734, 87033, 142890, 145055, 174066, 214335, 261099, 290110, 319121, 428670, 435165, 522198, 638242, 870330, 957363, 1305495, 1595605, 1914726, 2610990, 2872089, 3191210, 4786815, 5744178, 9573630, 14360445, 28720890]

約数ペア:

[(1, 28720890), (2, 14360445), (3, 9573630), (5, 5744178), (6, 4786815), (9, 3191210), (10, 2872089), (11, 2610990), (15, 1914726), (18, 1595605), (22, 1305495), (30, 957363), (33, 870330), (45, 638242), (55, 522198), (66, 435165), (67, 428670), (90, 319121), (99, 290110), (110, 261099), (134, 214335), (165, 174066), (198, 145055), (201, 142890), (330, 87033), (335, 85734), (402, 71445), (433, 66330), (495, 58022), (603, 47630), (670, 42867), (737, 38970), (866, 33165), (990, 29011), (1005, 28578), (1206, 23815), (1299, 22110), (1474, 19485), (2010, 14289), (2165, 13266), (2211, 12990), (2598, 11055), (3015, 9526), (3685, 7794), (3897, 7370), (4330, 6633), (4422, 6495), (4763, 6030)]