64528520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{727}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 166682880

約数和(自身を除く): 102154360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 634, 727, 1268, 1454, 1585, 2219, 2536, 2908, 3170, 3635, 4438, 5089, 5816, 6340, 7270, 8876, 10178, 11095, 12680, 14540, 17752, 20356, 22190, 25445, 29080, 40712, 44380, 50890, 88760, 101780, 203560, 230459, 460918, 921836, 1152295, 1613213, 1843672, 2304590, 3226426, 4609180, 6452852, 8066065, 9218360, 12905704, 16132130, 32264260, 64528520]

約数ペア:

[(1, 64528520), (2, 32264260), (4, 16132130), (5, 12905704), (7, 9218360), (8, 8066065), (10, 6452852), (14, 4609180), (20, 3226426), (28, 2304590), (35, 1843672), (40, 1613213), (56, 1152295), (70, 921836), (140, 460918), (280, 230459), (317, 203560), (634, 101780), (727, 88760), (1268, 50890), (1454, 44380), (1585, 40712), (2219, 29080), (2536, 25445), (2908, 22190), (3170, 20356), (3635, 17752), (4438, 14540), (5089, 12680), (5816, 11095), (6340, 10178), (7270, 8876)]