1401440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 3492720

約数和(自身を除く): 2091280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 461, 608, 760, 922, 1520, 1844, 2305, 3040, 3688, 4610, 7376, 8759, 9220, 14752, 17518, 18440, 35036, 36880, 43795, 70072, 73760, 87590, 140144, 175180, 280288, 350360, 700720, 1401440]

約数ペア:

[(1, 1401440), (2, 700720), (4, 350360), (5, 280288), (8, 175180), (10, 140144), (16, 87590), (19, 73760), (20, 70072), (32, 43795), (38, 36880), (40, 35036), (76, 18440), (80, 17518), (95, 14752), (152, 9220), (160, 8759), (190, 7376), (304, 4610), (380, 3688), (461, 3040), (608, 2305), (760, 1844), (922, 1520)]