256481160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12647}}^1$

素因数の和:12687

約数の個数: 96

約数和(自身を含む): 833250240

約数和(自身を除く): 576769080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1352, 1560, 1690, 2028, 2535, 3380, 4056, 5070, 6760, 10140, 12647, 20280, 25294, 37941, 50588, 63235, 75882, 101176, 126470, 151764, 164411, 189705, 252940, 303528, 328822, 379410, 493233, 505880, 657644, 758820, 822055, 986466, 1315288, 1517640, 1644110, 1972932, 2137343, 2466165, 3288220, 3945864, 4274686, 4932330, 6412029, 6576440, 8549372, 9864660, 10686715, 12824058, 17098744, 19729320, 21373430, 25648116, 32060145, 42746860, 51296232, 64120290, 85493720, 128240580, 256481160]

約数ペア:

[(1, 256481160), (2, 128240580), (3, 85493720), (4, 64120290), (5, 51296232), (6, 42746860), (8, 32060145), (10, 25648116), (12, 21373430), (13, 19729320), (15, 17098744), (20, 12824058), (24, 10686715), (26, 9864660), (30, 8549372), (39, 6576440), (40, 6412029), (52, 4932330), (60, 4274686), (65, 3945864), (78, 3288220), (104, 2466165), (120, 2137343), (130, 1972932), (156, 1644110), (169, 1517640), (195, 1315288), (260, 986466), (312, 822055), (338, 758820), (390, 657644), (507, 505880), (520, 493233), (676, 379410), (780, 328822), (845, 303528), (1014, 252940), (1352, 189705), (1560, 164411), (1690, 151764), (2028, 126470), (2535, 101176), (3380, 75882), (4056, 63235), (5070, 50588), (6760, 37941), (10140, 25294), (12647, 20280)]