64796080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:986

約数の個数: 80

約数和(自身を含む): 162132480

約数和(自身を除く): 97336400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 752, 760, 893, 907, 940, 1520, 1786, 1814, 1880, 3572, 3628, 3760, 4465, 4535, 7144, 7256, 8930, 9070, 14288, 14512, 17233, 17860, 18140, 34466, 35720, 36280, 42629, 68932, 71440, 72560, 85258, 86165, 137864, 170516, 172330, 213145, 275728, 341032, 344660, 426290, 682064, 689320, 809951, 852580, 1378640, 1619902, 1705160, 3239804, 3410320, 4049755, 6479608, 8099510, 12959216, 16199020, 32398040, 64796080]

約数ペア:

[(1, 64796080), (2, 32398040), (4, 16199020), (5, 12959216), (8, 8099510), (10, 6479608), (16, 4049755), (19, 3410320), (20, 3239804), (38, 1705160), (40, 1619902), (47, 1378640), (76, 852580), (80, 809951), (94, 689320), (95, 682064), (152, 426290), (188, 344660), (190, 341032), (235, 275728), (304, 213145), (376, 172330), (380, 170516), (470, 137864), (752, 86165), (760, 85258), (893, 72560), (907, 71440), (940, 68932), (1520, 42629), (1786, 36280), (1814, 35720), (1880, 34466), (3572, 18140), (3628, 17860), (3760, 17233), (4465, 14512), (4535, 14288), (7144, 9070), (7256, 8930)]