1985746560

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{21107}}^1$

素因数の和:21143

約数の個数: 192

約数和(自身を含む): 7363314720

約数和(自身を除く): 5377568160

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, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3920, 4480, 4704, 5880, 6272, 6720, 7840, 9408, 11760, 13440, 15680, 18816, 21107, 23520, 31360, 42214, 47040, 63321, 84428, 94080, 105535, 126642, 147749, 168856, 211070, 253284, 295498, 316605, 337712, 422140, 443247, 506568, 590996, 633210, 675424, 738745, 844280, 886494, 1013136, 1034243, 1181992, 1266420, 1350848, 1477490, 1688560, 1772988, 2026272, 2068486, 2216235, 2363984, 2532840, 2701696, 2954980, 3102729, 3377120, 3545976, 4052544, 4136972, 4432470, 4727968, 5065680, 5171215, 5909960, 6205458, 6754240, 7091952, 8105088, 8273944, 8864940, 9455936, 10131360, 10342430, 11819920, 12410916, 13508480, 14183904, 15513645, 16547888, 17729880, 18911872, 20262720, 20684860, 23639840, 24821832, 28367808, 31027290, 33095776, 35459760, 40525440, 41369720, 47279680, 49643664, 56735616, 62054580, 66191552, 70919520, 82739440, 94559360, 99287328, 124109160, 132383104, 141839040, 165478880, 198574656, 248218320, 283678080, 330957760, 397149312, 496436640, 661915520, 992873280, 1985746560]

約数ペア:

[(1, 1985746560), (2, 992873280), (3, 661915520), (4, 496436640), (5, 397149312), (6, 330957760), (7, 283678080), (8, 248218320), (10, 198574656), (12, 165478880), (14, 141839040), (15, 132383104), (16, 124109160), (20, 99287328), (21, 94559360), (24, 82739440), (28, 70919520), (30, 66191552), (32, 62054580), (35, 56735616), (40, 49643664), (42, 47279680), (48, 41369720), (49, 40525440), (56, 35459760), (60, 33095776), (64, 31027290), (70, 28367808), (80, 24821832), (84, 23639840), (96, 20684860), (98, 20262720), (105, 18911872), (112, 17729880), (120, 16547888), (128, 15513645), (140, 14183904), (147, 13508480), (160, 12410916), (168, 11819920), (192, 10342430), (196, 10131360), (210, 9455936), (224, 8864940), (240, 8273944), (245, 8105088), (280, 7091952), (294, 6754240), (320, 6205458), (336, 5909960), (384, 5171215), (392, 5065680), (420, 4727968), (448, 4432470), (480, 4136972), (490, 4052544), (560, 3545976), (588, 3377120), (640, 3102729), (672, 2954980), (735, 2701696), (784, 2532840), (840, 2363984), (896, 2216235), (960, 2068486), (980, 2026272), (1120, 1772988), (1176, 1688560), (1344, 1477490), (1470, 1350848), (1568, 1266420), (1680, 1181992), (1920, 1034243), (1960, 1013136), (2240, 886494), (2352, 844280), (2688, 738745), (2940, 675424), (3136, 633210), (3360, 590996), (3920, 506568), (4480, 443247), (4704, 422140), (5880, 337712), (6272, 316605), (6720, 295498), (7840, 253284), (9408, 211070), (11760, 168856), (13440, 147749), (15680, 126642), (18816, 105535), (21107, 94080), (23520, 84428), (31360, 63321), (42214, 47040)]