31425120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 144

約数和(自身を含む): 108697680

約数和(自身を除く): 77272560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 139, 144, 157, 160, 180, 240, 278, 288, 314, 360, 417, 471, 480, 556, 628, 695, 720, 785, 834, 942, 1112, 1251, 1256, 1390, 1413, 1440, 1570, 1668, 1884, 2085, 2224, 2355, 2502, 2512, 2780, 2826, 3140, 3336, 3768, 4170, 4448, 4710, 5004, 5024, 5560, 5652, 6255, 6280, 6672, 7065, 7536, 8340, 9420, 10008, 11120, 11304, 12510, 12560, 13344, 14130, 15072, 16680, 18840, 20016, 21823, 22240, 22608, 25020, 25120, 28260, 33360, 37680, 40032, 43646, 45216, 50040, 56520, 65469, 66720, 75360, 87292, 100080, 109115, 113040, 130938, 174584, 196407, 200160, 218230, 226080, 261876, 327345, 349168, 392814, 436460, 523752, 654690, 698336, 785628, 872920, 982035, 1047504, 1309380, 1571256, 1745840, 1964070, 2095008, 2618760, 3142512, 3491680, 3928140, 5237520, 6285024, 7856280, 10475040, 15712560, 31425120]

約数ペア:

[(1, 31425120), (2, 15712560), (3, 10475040), (4, 7856280), (5, 6285024), (6, 5237520), (8, 3928140), (9, 3491680), (10, 3142512), (12, 2618760), (15, 2095008), (16, 1964070), (18, 1745840), (20, 1571256), (24, 1309380), (30, 1047504), (32, 982035), (36, 872920), (40, 785628), (45, 698336), (48, 654690), (60, 523752), (72, 436460), (80, 392814), (90, 349168), (96, 327345), (120, 261876), (139, 226080), (144, 218230), (157, 200160), (160, 196407), (180, 174584), (240, 130938), (278, 113040), (288, 109115), (314, 100080), (360, 87292), (417, 75360), (471, 66720), (480, 65469), (556, 56520), (628, 50040), (695, 45216), (720, 43646), (785, 40032), (834, 37680), (942, 33360), (1112, 28260), (1251, 25120), (1256, 25020), (1390, 22608), (1413, 22240), (1440, 21823), (1570, 20016), (1668, 18840), (1884, 16680), (2085, 15072), (2224, 14130), (2355, 13344), (2502, 12560), (2512, 12510), (2780, 11304), (2826, 11120), (3140, 10008), (3336, 9420), (3768, 8340), (4170, 7536), (4448, 7065), (4710, 6672), (5004, 6280), (5024, 6255), (5560, 5652)]