257938080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12497}}^1$

素因数の和:12558

約数の個数: 96

約数和(自身を含む): 831466944

約数和(自身を除く): 573528864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1290, 1376, 1720, 2064, 2580, 3440, 4128, 5160, 6880, 10320, 12497, 20640, 24994, 37491, 49988, 62485, 74982, 99976, 124970, 149964, 187455, 199952, 249940, 299928, 374910, 399904, 499880, 537371, 599856, 749820, 999760, 1074742, 1199712, 1499640, 1612113, 1999520, 2149484, 2686855, 2999280, 3224226, 4298968, 5373710, 5998560, 6448452, 8060565, 8597936, 10747420, 12896904, 16121130, 17195872, 21494840, 25793808, 32242260, 42989680, 51587616, 64484520, 85979360, 128969040, 257938080]

約数ペア:

[(1, 257938080), (2, 128969040), (3, 85979360), (4, 64484520), (5, 51587616), (6, 42989680), (8, 32242260), (10, 25793808), (12, 21494840), (15, 17195872), (16, 16121130), (20, 12896904), (24, 10747420), (30, 8597936), (32, 8060565), (40, 6448452), (43, 5998560), (48, 5373710), (60, 4298968), (80, 3224226), (86, 2999280), (96, 2686855), (120, 2149484), (129, 1999520), (160, 1612113), (172, 1499640), (215, 1199712), (240, 1074742), (258, 999760), (344, 749820), (430, 599856), (480, 537371), (516, 499880), (645, 399904), (688, 374910), (860, 299928), (1032, 249940), (1290, 199952), (1376, 187455), (1720, 149964), (2064, 124970), (2580, 99976), (3440, 74982), (4128, 62485), (5160, 49988), (6880, 37491), (10320, 24994), (12497, 20640)]