31325040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 106295280

約数和(自身を除く): 74970240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 278, 313, 360, 417, 556, 626, 695, 720, 834, 939, 1112, 1251, 1252, 1390, 1565, 1668, 1878, 2085, 2224, 2502, 2504, 2780, 2817, 3130, 3336, 3756, 4170, 4695, 5004, 5008, 5560, 5634, 6255, 6260, 6672, 7512, 8340, 9390, 10008, 11120, 11268, 12510, 12520, 14085, 15024, 16680, 18780, 20016, 22536, 25020, 25040, 28170, 33360, 37560, 43507, 45072, 50040, 56340, 75120, 87014, 100080, 112680, 130521, 174028, 217535, 225360, 261042, 348056, 391563, 435070, 522084, 652605, 696112, 783126, 870140, 1044168, 1305210, 1566252, 1740280, 1957815, 2088336, 2610420, 3132504, 3480560, 3915630, 5220840, 6265008, 7831260, 10441680, 15662520, 31325040]

約数ペア:

[(1, 31325040), (2, 15662520), (3, 10441680), (4, 7831260), (5, 6265008), (6, 5220840), (8, 3915630), (9, 3480560), (10, 3132504), (12, 2610420), (15, 2088336), (16, 1957815), (18, 1740280), (20, 1566252), (24, 1305210), (30, 1044168), (36, 870140), (40, 783126), (45, 696112), (48, 652605), (60, 522084), (72, 435070), (80, 391563), (90, 348056), (120, 261042), (139, 225360), (144, 217535), (180, 174028), (240, 130521), (278, 112680), (313, 100080), (360, 87014), (417, 75120), (556, 56340), (626, 50040), (695, 45072), (720, 43507), (834, 37560), (939, 33360), (1112, 28170), (1251, 25040), (1252, 25020), (1390, 22536), (1565, 20016), (1668, 18780), (1878, 16680), (2085, 15024), (2224, 14085), (2502, 12520), (2504, 12510), (2780, 11268), (2817, 11120), (3130, 10008), (3336, 9390), (3756, 8340), (4170, 7512), (4695, 6672), (5004, 6260), (5008, 6255), (5560, 5634)]