12804240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1768

約数の個数: 80

約数和(自身を含む): 40997376

約数和(自身を除く): 28193136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1721, 1860, 2480, 3442, 3720, 5163, 6884, 7440, 8605, 10326, 13768, 17210, 20652, 25815, 27536, 34420, 41304, 51630, 53351, 68840, 82608, 103260, 106702, 137680, 160053, 206520, 213404, 266755, 320106, 413040, 426808, 533510, 640212, 800265, 853616, 1067020, 1280424, 1600530, 2134040, 2560848, 3201060, 4268080, 6402120, 12804240]

約数ペア:

[(1, 12804240), (2, 6402120), (3, 4268080), (4, 3201060), (5, 2560848), (6, 2134040), (8, 1600530), (10, 1280424), (12, 1067020), (15, 853616), (16, 800265), (20, 640212), (24, 533510), (30, 426808), (31, 413040), (40, 320106), (48, 266755), (60, 213404), (62, 206520), (80, 160053), (93, 137680), (120, 106702), (124, 103260), (155, 82608), (186, 68840), (240, 53351), (248, 51630), (310, 41304), (372, 34420), (465, 27536), (496, 25815), (620, 20652), (744, 17210), (930, 13768), (1240, 10326), (1488, 8605), (1721, 7440), (1860, 6884), (2480, 5163), (3442, 3720)]