257072670

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{25733}}^1$

素因数の和:25786

約数の個数: 64

約数和(自身を含む): 704082240

約数和(自身を除く): 447009570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3330, 4995, 9990, 25733, 51466, 77199, 128665, 154398, 231597, 257330, 385995, 463194, 694791, 771990, 952121, 1157985, 1389582, 1904242, 2315970, 2856363, 3473955, 4760605, 5712726, 6947910, 8569089, 9521210, 14281815, 17138178, 25707267, 28563630, 42845445, 51414534, 85690890, 128536335, 257072670]

約数ペア:

[(1, 257072670), (2, 128536335), (3, 85690890), (5, 51414534), (6, 42845445), (9, 28563630), (10, 25707267), (15, 17138178), (18, 14281815), (27, 9521210), (30, 8569089), (37, 6947910), (45, 5712726), (54, 4760605), (74, 3473955), (90, 2856363), (111, 2315970), (135, 1904242), (185, 1389582), (222, 1157985), (270, 952121), (333, 771990), (370, 694791), (555, 463194), (666, 385995), (999, 257330), (1110, 231597), (1665, 154398), (1998, 128665), (3330, 77199), (4995, 51466), (9990, 25733)]