128643480

素因数分解:

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

素因数の和:814

約数の個数: 192

約数和(自身を含む): 485222400

約数和(自身を除く): 356578920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 71, 72, 84, 90, 105, 120, 126, 140, 142, 168, 180, 210, 213, 252, 280, 284, 315, 355, 360, 420, 426, 497, 504, 568, 630, 639, 710, 719, 840, 852, 994, 1065, 1260, 1278, 1420, 1438, 1491, 1704, 1988, 2130, 2157, 2485, 2520, 2556, 2840, 2876, 2982, 3195, 3595, 3976, 4260, 4314, 4473, 4970, 5033, 5112, 5752, 5964, 6390, 6471, 7190, 7455, 8520, 8628, 8946, 9940, 10066, 10785, 11928, 12780, 12942, 14380, 14910, 15099, 17256, 17892, 19880, 20132, 21570, 22365, 25165, 25560, 25884, 28760, 29820, 30198, 32355, 35784, 40264, 43140, 44730, 45297, 50330, 51049, 51768, 59640, 60396, 64710, 75495, 86280, 89460, 90594, 100660, 102098, 120792, 129420, 150990, 153147, 178920, 181188, 201320, 204196, 226485, 255245, 258840, 301980, 306294, 357343, 362376, 408392, 452970, 459441, 510490, 603960, 612588, 714686, 765735, 905940, 918882, 1020980, 1072029, 1225176, 1429372, 1531470, 1786715, 1811880, 1837764, 2041960, 2144058, 2297205, 2858744, 3062940, 3216087, 3573430, 3675528, 4288116, 4594410, 5360145, 6125880, 6432174, 7146860, 8576232, 9188820, 10720290, 12864348, 14293720, 16080435, 18377640, 21440580, 25728696, 32160870, 42881160, 64321740, 128643480]

約数ペア:

[(1, 128643480), (2, 64321740), (3, 42881160), (4, 32160870), (5, 25728696), (6, 21440580), (7, 18377640), (8, 16080435), (9, 14293720), (10, 12864348), (12, 10720290), (14, 9188820), (15, 8576232), (18, 7146860), (20, 6432174), (21, 6125880), (24, 5360145), (28, 4594410), (30, 4288116), (35, 3675528), (36, 3573430), (40, 3216087), (42, 3062940), (45, 2858744), (56, 2297205), (60, 2144058), (63, 2041960), (70, 1837764), (71, 1811880), (72, 1786715), (84, 1531470), (90, 1429372), (105, 1225176), (120, 1072029), (126, 1020980), (140, 918882), (142, 905940), (168, 765735), (180, 714686), (210, 612588), (213, 603960), (252, 510490), (280, 459441), (284, 452970), (315, 408392), (355, 362376), (360, 357343), (420, 306294), (426, 301980), (497, 258840), (504, 255245), (568, 226485), (630, 204196), (639, 201320), (710, 181188), (719, 178920), (840, 153147), (852, 150990), (994, 129420), (1065, 120792), (1260, 102098), (1278, 100660), (1420, 90594), (1438, 89460), (1491, 86280), (1704, 75495), (1988, 64710), (2130, 60396), (2157, 59640), (2485, 51768), (2520, 51049), (2556, 50330), (2840, 45297), (2876, 44730), (2982, 43140), (3195, 40264), (3595, 35784), (3976, 32355), (4260, 30198), (4314, 29820), (4473, 28760), (4970, 25884), (5033, 25560), (5112, 25165), (5752, 22365), (5964, 21570), (6390, 20132), (6471, 19880), (7190, 17892), (7455, 17256), (8520, 15099), (8628, 14910), (8946, 14380), (9940, 12942), (10066, 12780), (10785, 11928)]