265121440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87211}}^1$

素因数の和:87245

約数の個数: 48

約数和(自身を含む): 659322720

約数和(自身を除く): 394201280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 87211, 174422, 348844, 436055, 697688, 872110, 1395376, 1657009, 1744220, 2790752, 3314018, 3488440, 6628036, 6976880, 8285045, 13256072, 13953760, 16570090, 26512144, 33140180, 53024288, 66280360, 132560720, 265121440]

約数ペア:

[(1, 265121440), (2, 132560720), (4, 66280360), (5, 53024288), (8, 33140180), (10, 26512144), (16, 16570090), (19, 13953760), (20, 13256072), (32, 8285045), (38, 6976880), (40, 6628036), (76, 3488440), (80, 3314018), (95, 2790752), (152, 1744220), (160, 1657009), (190, 1395376), (304, 872110), (380, 697688), (608, 436055), (760, 348844), (1520, 174422), (3040, 87211)]