327760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:271

約数の個数: 40

約数和(自身を含む): 810216

約数和(自身を除く): 482456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 241, 272, 340, 482, 680, 964, 1205, 1360, 1928, 2410, 3856, 4097, 4820, 8194, 9640, 16388, 19280, 20485, 32776, 40970, 65552, 81940, 163880, 327760]

約数ペア:

[(1, 327760), (2, 163880), (4, 81940), (5, 65552), (8, 40970), (10, 32776), (16, 20485), (17, 19280), (20, 16388), (34, 9640), (40, 8194), (68, 4820), (80, 4097), (85, 3856), (136, 2410), (170, 1928), (241, 1360), (272, 1205), (340, 964), (482, 680)]