64007200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4211}}^1$

素因数の和:4250

約数の個数: 72

約数和(自身を含む): 164520720

約数和(自身を除く): 100513520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1520, 1900, 3040, 3800, 4211, 7600, 8422, 15200, 16844, 21055, 33688, 42110, 67376, 80009, 84220, 105275, 134752, 160018, 168440, 210550, 320036, 336880, 400045, 421100, 640072, 673760, 800090, 842200, 1280144, 1600180, 1684400, 2000225, 2560288, 3200360, 3368800, 4000450, 6400720, 8000900, 12801440, 16001800, 32003600, 64007200]

約数ペア:

[(1, 64007200), (2, 32003600), (4, 16001800), (5, 12801440), (8, 8000900), (10, 6400720), (16, 4000450), (19, 3368800), (20, 3200360), (25, 2560288), (32, 2000225), (38, 1684400), (40, 1600180), (50, 1280144), (76, 842200), (80, 800090), (95, 673760), (100, 640072), (152, 421100), (160, 400045), (190, 336880), (200, 320036), (304, 210550), (380, 168440), (400, 160018), (475, 134752), (608, 105275), (760, 84220), (800, 80009), (950, 67376), (1520, 42110), (1900, 33688), (3040, 21055), (3800, 16844), (4211, 15200), (7600, 8422)]