639607968

素因数分解:

$2^5\times 3^3\times {\mathrm{740287}}^1$

素因数の和:740306

約数の個数: 48

約数和(自身を含む): 1865525760

約数和(自身を除く): 1225917792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 740287, 1480574, 2220861, 2961148, 4441722, 5922296, 6662583, 8883444, 11844592, 13325166, 17766888, 19987749, 23689184, 26650332, 35533776, 39975498, 53300664, 71067552, 79950996, 106601328, 159901992, 213202656, 319803984, 639607968]

約数ペア:

[(1, 639607968), (2, 319803984), (3, 213202656), (4, 159901992), (6, 106601328), (8, 79950996), (9, 71067552), (12, 53300664), (16, 39975498), (18, 35533776), (24, 26650332), (27, 23689184), (32, 19987749), (36, 17766888), (48, 13325166), (54, 11844592), (72, 8883444), (96, 6662583), (108, 5922296), (144, 4441722), (216, 2961148), (288, 2220861), (432, 1480574), (864, 740287)]