16205040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 120

約数和(自身を含む): 55362528

約数和(自身を除く): 39157488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 317, 355, 360, 426, 568, 634, 639, 710, 720, 852, 951, 1065, 1136, 1268, 1278, 1420, 1585, 1704, 1902, 2130, 2536, 2556, 2840, 2853, 3170, 3195, 3408, 3804, 4260, 4755, 5072, 5112, 5680, 5706, 6340, 6390, 7608, 8520, 9510, 10224, 11412, 12680, 12780, 14265, 15216, 17040, 19020, 22507, 22824, 25360, 25560, 28530, 38040, 45014, 45648, 51120, 57060, 67521, 76080, 90028, 112535, 114120, 135042, 180056, 202563, 225070, 228240, 270084, 337605, 360112, 405126, 450140, 540168, 675210, 810252, 900280, 1012815, 1080336, 1350420, 1620504, 1800560, 2025630, 2700840, 3241008, 4051260, 5401680, 8102520, 16205040]

約数ペア:

[(1, 16205040), (2, 8102520), (3, 5401680), (4, 4051260), (5, 3241008), (6, 2700840), (8, 2025630), (9, 1800560), (10, 1620504), (12, 1350420), (15, 1080336), (16, 1012815), (18, 900280), (20, 810252), (24, 675210), (30, 540168), (36, 450140), (40, 405126), (45, 360112), (48, 337605), (60, 270084), (71, 228240), (72, 225070), (80, 202563), (90, 180056), (120, 135042), (142, 114120), (144, 112535), (180, 90028), (213, 76080), (240, 67521), (284, 57060), (317, 51120), (355, 45648), (360, 45014), (426, 38040), (568, 28530), (634, 25560), (639, 25360), (710, 22824), (720, 22507), (852, 19020), (951, 17040), (1065, 15216), (1136, 14265), (1268, 12780), (1278, 12680), (1420, 11412), (1585, 10224), (1704, 9510), (1902, 8520), (2130, 7608), (2536, 6390), (2556, 6340), (2840, 5706), (2853, 5680), (3170, 5112), (3195, 5072), (3408, 4755), (3804, 4260)]