280430520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{54347}}^1$

素因数の和:54404

約数の個数: 64

約数和(自身を含む): 860872320

約数和(自身を除く): 580441800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 54347, 108694, 163041, 217388, 271735, 326082, 434776, 543470, 652164, 815205, 1086940, 1304328, 1630410, 2173880, 2336921, 3260820, 4673842, 6521640, 7010763, 9347684, 11684605, 14021526, 18695368, 23369210, 28043052, 35053815, 46738420, 56086104, 70107630, 93476840, 140215260, 280430520]

約数ペア:

[(1, 280430520), (2, 140215260), (3, 93476840), (4, 70107630), (5, 56086104), (6, 46738420), (8, 35053815), (10, 28043052), (12, 23369210), (15, 18695368), (20, 14021526), (24, 11684605), (30, 9347684), (40, 7010763), (43, 6521640), (60, 4673842), (86, 3260820), (120, 2336921), (129, 2173880), (172, 1630410), (215, 1304328), (258, 1086940), (344, 815205), (430, 652164), (516, 543470), (645, 434776), (860, 326082), (1032, 271735), (1290, 217388), (1720, 163041), (2580, 108694), (5160, 54347)]