181231920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6803}}^1$

素因数の和:6859

約数の個数: 120

約数和(自身を含む): 625178736

約数和(自身を除く): 443946816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 4440, 5328, 6660, 6803, 8880, 13320, 13606, 20409, 26640, 27212, 34015, 40818, 54424, 61227, 68030, 81636, 102045, 108848, 122454, 136060, 163272, 204090, 244908, 251711, 272120, 306135, 326544, 408180, 489816, 503422, 544240, 612270, 755133, 816360, 979632, 1006844, 1224540, 1258555, 1510266, 1632720, 2013688, 2265399, 2449080, 2517110, 3020532, 3775665, 4027376, 4530798, 4898160, 5034220, 6041064, 7551330, 9061596, 10068440, 11326995, 12082128, 15102660, 18123192, 20136880, 22653990, 30205320, 36246384, 45307980, 60410640, 90615960, 181231920]

約数ペア:

[(1, 181231920), (2, 90615960), (3, 60410640), (4, 45307980), (5, 36246384), (6, 30205320), (8, 22653990), (9, 20136880), (10, 18123192), (12, 15102660), (15, 12082128), (16, 11326995), (18, 10068440), (20, 9061596), (24, 7551330), (30, 6041064), (36, 5034220), (37, 4898160), (40, 4530798), (45, 4027376), (48, 3775665), (60, 3020532), (72, 2517110), (74, 2449080), (80, 2265399), (90, 2013688), (111, 1632720), (120, 1510266), (144, 1258555), (148, 1224540), (180, 1006844), (185, 979632), (222, 816360), (240, 755133), (296, 612270), (333, 544240), (360, 503422), (370, 489816), (444, 408180), (555, 326544), (592, 306135), (666, 272120), (720, 251711), (740, 244908), (888, 204090), (1110, 163272), (1332, 136060), (1480, 122454), (1665, 108848), (1776, 102045), (2220, 81636), (2664, 68030), (2960, 61227), (3330, 54424), (4440, 40818), (5328, 34015), (6660, 27212), (6803, 26640), (8880, 20409), (13320, 13606)]