1990039320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{31231}}^1$

素因数の和:31310

約数の個数: 128

約数和(自身を含む): 6746112000

約数和(自身を除く): 4756072680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 59, 60, 72, 90, 108, 118, 120, 135, 177, 180, 216, 236, 270, 295, 354, 360, 472, 531, 540, 590, 708, 885, 1062, 1080, 1180, 1416, 1593, 1770, 2124, 2360, 2655, 3186, 3540, 4248, 5310, 6372, 7080, 7965, 10620, 12744, 15930, 21240, 31231, 31860, 62462, 63720, 93693, 124924, 156155, 187386, 249848, 281079, 312310, 374772, 468465, 562158, 624620, 749544, 843237, 936930, 1124316, 1249240, 1405395, 1686474, 1842629, 1873860, 2248632, 2810790, 3372948, 3685258, 3747720, 4216185, 5527887, 5621580, 6745896, 7370516, 8432370, 9213145, 11055774, 11243160, 14741032, 16583661, 16864740, 18426290, 22111548, 27639435, 33167322, 33729480, 36852580, 44223096, 49750983, 55278870, 66334644, 73705160, 82918305, 99501966, 110557740, 132669288, 165836610, 199003932, 221115480, 248754915, 331673220, 398007864, 497509830, 663346440, 995019660, 1990039320]

約数ペア:

[(1, 1990039320), (2, 995019660), (3, 663346440), (4, 497509830), (5, 398007864), (6, 331673220), (8, 248754915), (9, 221115480), (10, 199003932), (12, 165836610), (15, 132669288), (18, 110557740), (20, 99501966), (24, 82918305), (27, 73705160), (30, 66334644), (36, 55278870), (40, 49750983), (45, 44223096), (54, 36852580), (59, 33729480), (60, 33167322), (72, 27639435), (90, 22111548), (108, 18426290), (118, 16864740), (120, 16583661), (135, 14741032), (177, 11243160), (180, 11055774), (216, 9213145), (236, 8432370), (270, 7370516), (295, 6745896), (354, 5621580), (360, 5527887), (472, 4216185), (531, 3747720), (540, 3685258), (590, 3372948), (708, 2810790), (885, 2248632), (1062, 1873860), (1080, 1842629), (1180, 1686474), (1416, 1405395), (1593, 1249240), (1770, 1124316), (2124, 936930), (2360, 843237), (2655, 749544), (3186, 624620), (3540, 562158), (4248, 468465), (5310, 374772), (6372, 312310), (7080, 281079), (7965, 249848), (10620, 187386), (12744, 156155), (15930, 124924), (21240, 93693), (31231, 63720), (31860, 62462)]