218744720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6257}}^1$

素因数の和:6312

約数の個数: 80

約数和(自身を含む): 558714240

約数和(自身を除く): 339969520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 3496, 4370, 6257, 6992, 8740, 12514, 17480, 25028, 31285, 34960, 50056, 62570, 100112, 118883, 125140, 143911, 237766, 250280, 287822, 475532, 500560, 575644, 594415, 719555, 951064, 1151288, 1188830, 1439110, 1902128, 2302576, 2377660, 2734309, 2878220, 4755320, 5468618, 5756440, 9510640, 10937236, 11512880, 13671545, 21874472, 27343090, 43748944, 54686180, 109372360, 218744720]

約数ペア:

[(1, 218744720), (2, 109372360), (4, 54686180), (5, 43748944), (8, 27343090), (10, 21874472), (16, 13671545), (19, 11512880), (20, 10937236), (23, 9510640), (38, 5756440), (40, 5468618), (46, 4755320), (76, 2878220), (80, 2734309), (92, 2377660), (95, 2302576), (115, 1902128), (152, 1439110), (184, 1188830), (190, 1151288), (230, 951064), (304, 719555), (368, 594415), (380, 575644), (437, 500560), (460, 475532), (760, 287822), (874, 250280), (920, 237766), (1520, 143911), (1748, 125140), (1840, 118883), (2185, 100112), (3496, 62570), (4370, 50056), (6257, 34960), (6992, 31285), (8740, 25028), (12514, 17480)]