64321740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:812

約数の個数: 144

約数和(自身を含む): 226437120

約数和(自身を除く): 162115380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 719, 852, 994, 1065, 1260, 1278, 1420, 1438, 1491, 1988, 2130, 2157, 2485, 2556, 2876, 2982, 3195, 3595, 4260, 4314, 4473, 4970, 5033, 5964, 6390, 6471, 7190, 7455, 8628, 8946, 9940, 10066, 10785, 12780, 12942, 14380, 14910, 15099, 17892, 20132, 21570, 22365, 25165, 25884, 29820, 30198, 32355, 43140, 44730, 45297, 50330, 51049, 60396, 64710, 75495, 89460, 90594, 100660, 102098, 129420, 150990, 153147, 181188, 204196, 226485, 255245, 301980, 306294, 357343, 452970, 459441, 510490, 612588, 714686, 765735, 905940, 918882, 1020980, 1072029, 1429372, 1531470, 1786715, 1837764, 2144058, 2297205, 3062940, 3216087, 3573430, 4288116, 4594410, 5360145, 6432174, 7146860, 9188820, 10720290, 12864348, 16080435, 21440580, 32160870, 64321740]

約数ペア:

[(1, 64321740), (2, 32160870), (3, 21440580), (4, 16080435), (5, 12864348), (6, 10720290), (7, 9188820), (9, 7146860), (10, 6432174), (12, 5360145), (14, 4594410), (15, 4288116), (18, 3573430), (20, 3216087), (21, 3062940), (28, 2297205), (30, 2144058), (35, 1837764), (36, 1786715), (42, 1531470), (45, 1429372), (60, 1072029), (63, 1020980), (70, 918882), (71, 905940), (84, 765735), (90, 714686), (105, 612588), (126, 510490), (140, 459441), (142, 452970), (180, 357343), (210, 306294), (213, 301980), (252, 255245), (284, 226485), (315, 204196), (355, 181188), (420, 153147), (426, 150990), (497, 129420), (630, 102098), (639, 100660), (710, 90594), (719, 89460), (852, 75495), (994, 64710), (1065, 60396), (1260, 51049), (1278, 50330), (1420, 45297), (1438, 44730), (1491, 43140), (1988, 32355), (2130, 30198), (2157, 29820), (2485, 25884), (2556, 25165), (2876, 22365), (2982, 21570), (3195, 20132), (3595, 17892), (4260, 15099), (4314, 14910), (4473, 14380), (4970, 12942), (5033, 12780), (5964, 10785), (6390, 10066), (6471, 9940), (7190, 8946), (7455, 8628)]