268585960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1049}}^1$

素因数の和:1270

約数の個数: 64

約数和(自身を含む): 624834000

約数和(自身を除く): 356248040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 173, 185, 296, 346, 370, 692, 740, 865, 1049, 1384, 1480, 1730, 2098, 3460, 4196, 5245, 6401, 6920, 8392, 10490, 12802, 20980, 25604, 32005, 38813, 41960, 51208, 64010, 77626, 128020, 155252, 181477, 194065, 256040, 310504, 362954, 388130, 725908, 776260, 907385, 1451816, 1552520, 1814770, 3629540, 6714649, 7259080, 13429298, 26858596, 33573245, 53717192, 67146490, 134292980, 268585960]

約数ペア:

[(1, 268585960), (2, 134292980), (4, 67146490), (5, 53717192), (8, 33573245), (10, 26858596), (20, 13429298), (37, 7259080), (40, 6714649), (74, 3629540), (148, 1814770), (173, 1552520), (185, 1451816), (296, 907385), (346, 776260), (370, 725908), (692, 388130), (740, 362954), (865, 310504), (1049, 256040), (1384, 194065), (1480, 181477), (1730, 155252), (2098, 128020), (3460, 77626), (4196, 64010), (5245, 51208), (6401, 41960), (6920, 38813), (8392, 32005), (10490, 25604), (12802, 20980)]