8025840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 27507168

約数和(自身を除く): 19481328

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, 157, 180, 213, 240, 284, 314, 355, 360, 426, 471, 568, 628, 639, 710, 720, 785, 852, 942, 1065, 1136, 1256, 1278, 1413, 1420, 1570, 1704, 1884, 2130, 2355, 2512, 2556, 2826, 2840, 3140, 3195, 3408, 3768, 4260, 4710, 5112, 5652, 5680, 6280, 6390, 7065, 7536, 8520, 9420, 10224, 11147, 11304, 12560, 12780, 14130, 17040, 18840, 22294, 22608, 25560, 28260, 33441, 37680, 44588, 51120, 55735, 56520, 66882, 89176, 100323, 111470, 113040, 133764, 167205, 178352, 200646, 222940, 267528, 334410, 401292, 445880, 501615, 535056, 668820, 802584, 891760, 1003230, 1337640, 1605168, 2006460, 2675280, 4012920, 8025840]

約数ペア:

[(1, 8025840), (2, 4012920), (3, 2675280), (4, 2006460), (5, 1605168), (6, 1337640), (8, 1003230), (9, 891760), (10, 802584), (12, 668820), (15, 535056), (16, 501615), (18, 445880), (20, 401292), (24, 334410), (30, 267528), (36, 222940), (40, 200646), (45, 178352), (48, 167205), (60, 133764), (71, 113040), (72, 111470), (80, 100323), (90, 89176), (120, 66882), (142, 56520), (144, 55735), (157, 51120), (180, 44588), (213, 37680), (240, 33441), (284, 28260), (314, 25560), (355, 22608), (360, 22294), (426, 18840), (471, 17040), (568, 14130), (628, 12780), (639, 12560), (710, 11304), (720, 11147), (785, 10224), (852, 9420), (942, 8520), (1065, 7536), (1136, 7065), (1256, 6390), (1278, 6280), (1413, 5680), (1420, 5652), (1570, 5112), (1704, 4710), (1884, 4260), (2130, 3768), (2355, 3408), (2512, 3195), (2556, 3140), (2826, 2840)]