681041520

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:742

約数の個数: 240

約数和(自身を含む): 2420282592

約数和(自身を除く): 1739241072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 53, 54, 60, 72, 80, 81, 90, 106, 108, 120, 135, 144, 159, 162, 180, 212, 216, 240, 243, 265, 270, 318, 324, 360, 405, 424, 432, 477, 486, 530, 540, 636, 648, 661, 720, 795, 810, 848, 954, 972, 1060, 1080, 1215, 1272, 1296, 1322, 1431, 1590, 1620, 1908, 1944, 1983, 2120, 2160, 2385, 2430, 2544, 2644, 2862, 3180, 3240, 3305, 3816, 3888, 3966, 4240, 4293, 4770, 4860, 5288, 5724, 5949, 6360, 6480, 6610, 7155, 7632, 7932, 8586, 9540, 9720, 9915, 10576, 11448, 11898, 12720, 12879, 13220, 14310, 15864, 17172, 17847, 19080, 19440, 19830, 21465, 22896, 23796, 25758, 26440, 28620, 29745, 31728, 34344, 35033, 35694, 38160, 39660, 42930, 47592, 51516, 52880, 53541, 57240, 59490, 64395, 68688, 70066, 71388, 79320, 85860, 89235, 95184, 103032, 105099, 107082, 114480, 118980, 128790, 140132, 142776, 158640, 160623, 171720, 175165, 178470, 206064, 210198, 214164, 237960, 257580, 267705, 280264, 285552, 315297, 321246, 343440, 350330, 356940, 420396, 428328, 475920, 515160, 525495, 535410, 560528, 630594, 642492, 700660, 713880, 803115, 840792, 856656, 945891, 1030320, 1050990, 1070820, 1261188, 1284984, 1401320, 1427760, 1576485, 1606230, 1681584, 1891782, 2101980, 2141640, 2522376, 2569968, 2802640, 2837673, 3152970, 3212460, 3783564, 4203960, 4283280, 4729455, 5044752, 5675346, 6305940, 6424920, 7567128, 8407920, 8513019, 9458910, 11350692, 12611880, 12849840, 14188365, 15134256, 17026038, 18917820, 22701384, 25223760, 28376730, 34052076, 37835640, 42565095, 45402768, 56753460, 68104152, 75671280, 85130190, 113506920, 136208304, 170260380, 227013840, 340520760, 681041520]

約数ペア:

[(1, 681041520), (2, 340520760), (3, 227013840), (4, 170260380), (5, 136208304), (6, 113506920), (8, 85130190), (9, 75671280), (10, 68104152), (12, 56753460), (15, 45402768), (16, 42565095), (18, 37835640), (20, 34052076), (24, 28376730), (27, 25223760), (30, 22701384), (36, 18917820), (40, 17026038), (45, 15134256), (48, 14188365), (53, 12849840), (54, 12611880), (60, 11350692), (72, 9458910), (80, 8513019), (81, 8407920), (90, 7567128), (106, 6424920), (108, 6305940), (120, 5675346), (135, 5044752), (144, 4729455), (159, 4283280), (162, 4203960), (180, 3783564), (212, 3212460), (216, 3152970), (240, 2837673), (243, 2802640), (265, 2569968), (270, 2522376), (318, 2141640), (324, 2101980), (360, 1891782), (405, 1681584), (424, 1606230), (432, 1576485), (477, 1427760), (486, 1401320), (530, 1284984), (540, 1261188), (636, 1070820), (648, 1050990), (661, 1030320), (720, 945891), (795, 856656), (810, 840792), (848, 803115), (954, 713880), (972, 700660), (1060, 642492), (1080, 630594), (1215, 560528), (1272, 535410), (1296, 525495), (1322, 515160), (1431, 475920), (1590, 428328), (1620, 420396), (1908, 356940), (1944, 350330), (1983, 343440), (2120, 321246), (2160, 315297), (2385, 285552), (2430, 280264), (2544, 267705), (2644, 257580), (2862, 237960), (3180, 214164), (3240, 210198), (3305, 206064), (3816, 178470), (3888, 175165), (3966, 171720), (4240, 160623), (4293, 158640), (4770, 142776), (4860, 140132), (5288, 128790), (5724, 118980), (5949, 114480), (6360, 107082), (6480, 105099), (6610, 103032), (7155, 95184), (7632, 89235), (7932, 85860), (8586, 79320), (9540, 71388), (9720, 70066), (9915, 68688), (10576, 64395), (11448, 59490), (11898, 57240), (12720, 53541), (12879, 52880), (13220, 51516), (14310, 47592), (15864, 42930), (17172, 39660), (17847, 38160), (19080, 35694), (19440, 35033), (19830, 34344), (21465, 31728), (22896, 29745), (23796, 28620), (25758, 26440)]