665626080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:921

約数の個数: 192

約数和(自身を含む): 2407104000

約数和(自身を除く): 1741477920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 397, 420, 480, 499, 560, 672, 794, 840, 998, 1120, 1191, 1497, 1588, 1680, 1985, 1996, 2382, 2495, 2779, 2994, 3176, 3360, 3493, 3970, 3992, 4764, 4990, 5558, 5955, 5988, 6352, 6986, 7485, 7940, 7984, 8337, 9528, 9980, 10479, 11116, 11910, 11976, 12704, 13895, 13972, 14970, 15880, 15968, 16674, 17465, 19056, 19960, 20958, 22232, 23820, 23952, 27790, 27944, 29940, 31760, 33348, 34930, 38112, 39920, 41685, 41916, 44464, 47640, 47904, 52395, 55580, 55888, 59880, 63520, 66696, 69860, 79840, 83370, 83832, 88928, 95280, 104790, 111160, 111776, 119760, 133392, 139720, 166740, 167664, 190560, 198103, 209580, 222320, 239520, 266784, 279440, 333480, 335328, 396206, 419160, 444640, 558880, 594309, 666960, 792412, 838320, 990515, 1188618, 1333920, 1386721, 1584824, 1676640, 1981030, 2377236, 2773442, 2971545, 3169648, 3962060, 4160163, 4754472, 5546884, 5943090, 6339296, 6933605, 7924120, 8320326, 9508944, 11093768, 11886180, 13867210, 15848240, 16640652, 19017888, 20800815, 22187536, 23772360, 27734420, 31696480, 33281304, 41601630, 44375072, 47544720, 55468840, 66562608, 83203260, 95089440, 110937680, 133125216, 166406520, 221875360, 332813040, 665626080]

約数ペア:

[(1, 665626080), (2, 332813040), (3, 221875360), (4, 166406520), (5, 133125216), (6, 110937680), (7, 95089440), (8, 83203260), (10, 66562608), (12, 55468840), (14, 47544720), (15, 44375072), (16, 41601630), (20, 33281304), (21, 31696480), (24, 27734420), (28, 23772360), (30, 22187536), (32, 20800815), (35, 19017888), (40, 16640652), (42, 15848240), (48, 13867210), (56, 11886180), (60, 11093768), (70, 9508944), (80, 8320326), (84, 7924120), (96, 6933605), (105, 6339296), (112, 5943090), (120, 5546884), (140, 4754472), (160, 4160163), (168, 3962060), (210, 3169648), (224, 2971545), (240, 2773442), (280, 2377236), (336, 1981030), (397, 1676640), (420, 1584824), (480, 1386721), (499, 1333920), (560, 1188618), (672, 990515), (794, 838320), (840, 792412), (998, 666960), (1120, 594309), (1191, 558880), (1497, 444640), (1588, 419160), (1680, 396206), (1985, 335328), (1996, 333480), (2382, 279440), (2495, 266784), (2779, 239520), (2994, 222320), (3176, 209580), (3360, 198103), (3493, 190560), (3970, 167664), (3992, 166740), (4764, 139720), (4990, 133392), (5558, 119760), (5955, 111776), (5988, 111160), (6352, 104790), (6986, 95280), (7485, 88928), (7940, 83832), (7984, 83370), (8337, 79840), (9528, 69860), (9980, 66696), (10479, 63520), (11116, 59880), (11910, 55888), (11976, 55580), (12704, 52395), (13895, 47904), (13972, 47640), (14970, 44464), (15880, 41916), (15968, 41685), (16674, 39920), (17465, 38112), (19056, 34930), (19960, 33348), (20958, 31760), (22232, 29940), (23820, 27944), (23952, 27790)]