891836520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1609}}^1$

素因数の和:1803

約数の個数: 128

約数和(自身を含む): 2782080000

約数和(自身を除く): 1890243480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 149, 155, 186, 248, 298, 310, 372, 447, 465, 596, 620, 744, 745, 894, 930, 1192, 1240, 1490, 1609, 1788, 1860, 2235, 2980, 3218, 3576, 3720, 4470, 4619, 4827, 5960, 6436, 8045, 8940, 9238, 9654, 12872, 13857, 16090, 17880, 18476, 19308, 23095, 24135, 27714, 32180, 36952, 38616, 46190, 48270, 49879, 55428, 64360, 69285, 92380, 96540, 99758, 110856, 138570, 149637, 184760, 193080, 199516, 239741, 249395, 277140, 299274, 399032, 479482, 498790, 554280, 598548, 719223, 748185, 958964, 997580, 1197096, 1198705, 1438446, 1496370, 1917928, 1995160, 2397410, 2876892, 2992740, 3596115, 4794820, 5753784, 5985480, 7192230, 7431971, 9589640, 14384460, 14863942, 22295913, 28768920, 29727884, 37159855, 44591826, 59455768, 74319710, 89183652, 111479565, 148639420, 178367304, 222959130, 297278840, 445918260, 891836520]

約数ペア:

[(1, 891836520), (2, 445918260), (3, 297278840), (4, 222959130), (5, 178367304), (6, 148639420), (8, 111479565), (10, 89183652), (12, 74319710), (15, 59455768), (20, 44591826), (24, 37159855), (30, 29727884), (31, 28768920), (40, 22295913), (60, 14863942), (62, 14384460), (93, 9589640), (120, 7431971), (124, 7192230), (149, 5985480), (155, 5753784), (186, 4794820), (248, 3596115), (298, 2992740), (310, 2876892), (372, 2397410), (447, 1995160), (465, 1917928), (596, 1496370), (620, 1438446), (744, 1198705), (745, 1197096), (894, 997580), (930, 958964), (1192, 748185), (1240, 719223), (1490, 598548), (1609, 554280), (1788, 498790), (1860, 479482), (2235, 399032), (2980, 299274), (3218, 277140), (3576, 249395), (3720, 239741), (4470, 199516), (4619, 193080), (4827, 184760), (5960, 149637), (6436, 138570), (8045, 110856), (8940, 99758), (9238, 96540), (9654, 92380), (12872, 69285), (13857, 64360), (16090, 55428), (17880, 49879), (18476, 48270), (19308, 46190), (23095, 38616), (24135, 36952), (27714, 32180)]