2189978880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18397}}^1$

素因数の和:18452

約数の個数: 144

約数和(自身を含む): 7220258304

約数和(自身を除く): 5030279424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3840, 3968, 4960, 5952, 7440, 7936, 9920, 11904, 14880, 18397, 19840, 23808, 29760, 36794, 39680, 55191, 59520, 73588, 91985, 110382, 119040, 147176, 183970, 220764, 275955, 294352, 367940, 441528, 551910, 570307, 588704, 735880, 883056, 1103820, 1140614, 1177408, 1471760, 1710921, 1766112, 2207640, 2281228, 2354816, 2851535, 2943520, 3421842, 3532224, 4415280, 4562456, 4709632, 5703070, 5887040, 6843684, 7064448, 8554605, 8830560, 9124912, 11406140, 11774080, 13687368, 14128896, 17109210, 17661120, 18249824, 22812280, 23548160, 27374736, 34218420, 35322240, 36499648, 45624560, 54749472, 68436840, 70644480, 72999296, 91249120, 109498944, 136873680, 145998592, 182498240, 218997888, 273747360, 364996480, 437995776, 547494720, 729992960, 1094989440, 2189978880]

約数ペア:

[(1, 2189978880), (2, 1094989440), (3, 729992960), (4, 547494720), (5, 437995776), (6, 364996480), (8, 273747360), (10, 218997888), (12, 182498240), (15, 145998592), (16, 136873680), (20, 109498944), (24, 91249120), (30, 72999296), (31, 70644480), (32, 68436840), (40, 54749472), (48, 45624560), (60, 36499648), (62, 35322240), (64, 34218420), (80, 27374736), (93, 23548160), (96, 22812280), (120, 18249824), (124, 17661120), (128, 17109210), (155, 14128896), (160, 13687368), (186, 11774080), (192, 11406140), (240, 9124912), (248, 8830560), (256, 8554605), (310, 7064448), (320, 6843684), (372, 5887040), (384, 5703070), (465, 4709632), (480, 4562456), (496, 4415280), (620, 3532224), (640, 3421842), (744, 2943520), (768, 2851535), (930, 2354816), (960, 2281228), (992, 2207640), (1240, 1766112), (1280, 1710921), (1488, 1471760), (1860, 1177408), (1920, 1140614), (1984, 1103820), (2480, 883056), (2976, 735880), (3720, 588704), (3840, 570307), (3968, 551910), (4960, 441528), (5952, 367940), (7440, 294352), (7936, 275955), (9920, 220764), (11904, 183970), (14880, 147176), (18397, 119040), (19840, 110382), (23808, 91985), (29760, 73588), (36794, 59520), (39680, 55191)]