1780722120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{8999}}^1$

素因数の和:9127

約数の個数: 128

約数和(自身を含む): 5715360000

約数和(自身を除く): 3934637880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 97, 102, 120, 136, 170, 194, 204, 255, 291, 340, 388, 408, 485, 510, 582, 680, 776, 970, 1020, 1164, 1455, 1649, 1940, 2040, 2328, 2910, 3298, 3880, 4947, 5820, 6596, 8245, 8999, 9894, 11640, 13192, 16490, 17998, 19788, 24735, 26997, 32980, 35996, 39576, 44995, 49470, 53994, 65960, 71992, 89990, 98940, 107988, 134985, 152983, 179980, 197880, 215976, 269970, 305966, 359960, 458949, 539940, 611932, 764915, 872903, 917898, 1079880, 1223864, 1529830, 1745806, 1835796, 2294745, 2618709, 3059660, 3491612, 3671592, 4364515, 4589490, 5237418, 6119320, 6983224, 8729030, 9178980, 10474836, 13093545, 14839351, 17458060, 18357960, 20949672, 26187090, 29678702, 34916120, 44518053, 52374180, 59357404, 74196755, 89036106, 104748360, 118714808, 148393510, 178072212, 222590265, 296787020, 356144424, 445180530, 593574040, 890361060, 1780722120]

約数ペア:

[(1, 1780722120), (2, 890361060), (3, 593574040), (4, 445180530), (5, 356144424), (6, 296787020), (8, 222590265), (10, 178072212), (12, 148393510), (15, 118714808), (17, 104748360), (20, 89036106), (24, 74196755), (30, 59357404), (34, 52374180), (40, 44518053), (51, 34916120), (60, 29678702), (68, 26187090), (85, 20949672), (97, 18357960), (102, 17458060), (120, 14839351), (136, 13093545), (170, 10474836), (194, 9178980), (204, 8729030), (255, 6983224), (291, 6119320), (340, 5237418), (388, 4589490), (408, 4364515), (485, 3671592), (510, 3491612), (582, 3059660), (680, 2618709), (776, 2294745), (970, 1835796), (1020, 1745806), (1164, 1529830), (1455, 1223864), (1649, 1079880), (1940, 917898), (2040, 872903), (2328, 764915), (2910, 611932), (3298, 539940), (3880, 458949), (4947, 359960), (5820, 305966), (6596, 269970), (8245, 215976), (8999, 197880), (9894, 179980), (11640, 152983), (13192, 134985), (16490, 107988), (17998, 98940), (19788, 89990), (24735, 71992), (26997, 65960), (32980, 53994), (35996, 49470), (39576, 44995)]