17920797660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{43457}}^1$

素因数の和:43580

約数の個数: 144

約数和(自身を含む): 56947363200

約数和(自身を除く): 39026565540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 79, 87, 90, 116, 145, 158, 174, 180, 237, 261, 290, 316, 348, 395, 435, 474, 522, 580, 711, 790, 870, 948, 1044, 1185, 1305, 1422, 1580, 1740, 2291, 2370, 2610, 2844, 3555, 4582, 4740, 5220, 6873, 7110, 9164, 11455, 13746, 14220, 20619, 22910, 27492, 34365, 41238, 43457, 45820, 68730, 82476, 86914, 103095, 130371, 137460, 173828, 206190, 217285, 260742, 391113, 412380, 434570, 521484, 651855, 782226, 869140, 1260253, 1303710, 1564452, 1955565, 2520506, 2607420, 3433103, 3780759, 3911130, 5041012, 6301265, 6866206, 7561518, 7822260, 10299309, 11342277, 12602530, 13732412, 15123036, 17165515, 18903795, 20598618, 22684554, 25205060, 30897927, 34331030, 37807590, 41197236, 45369108, 51496545, 56711385, 61795854, 68662060, 75615180, 99559987, 102993090, 113422770, 123591708, 154489635, 199119974, 205986180, 226845540, 298679961, 308979270, 398239948, 497799935, 597359922, 617958540, 896039883, 995599870, 1194719844, 1493399805, 1792079766, 1991199740, 2986799610, 3584159532, 4480199415, 5973599220, 8960398830, 17920797660]

約数ペア:

[(1, 17920797660), (2, 8960398830), (3, 5973599220), (4, 4480199415), (5, 3584159532), (6, 2986799610), (9, 1991199740), (10, 1792079766), (12, 1493399805), (15, 1194719844), (18, 995599870), (20, 896039883), (29, 617958540), (30, 597359922), (36, 497799935), (45, 398239948), (58, 308979270), (60, 298679961), (79, 226845540), (87, 205986180), (90, 199119974), (116, 154489635), (145, 123591708), (158, 113422770), (174, 102993090), (180, 99559987), (237, 75615180), (261, 68662060), (290, 61795854), (316, 56711385), (348, 51496545), (395, 45369108), (435, 41197236), (474, 37807590), (522, 34331030), (580, 30897927), (711, 25205060), (790, 22684554), (870, 20598618), (948, 18903795), (1044, 17165515), (1185, 15123036), (1305, 13732412), (1422, 12602530), (1580, 11342277), (1740, 10299309), (2291, 7822260), (2370, 7561518), (2610, 6866206), (2844, 6301265), (3555, 5041012), (4582, 3911130), (4740, 3780759), (5220, 3433103), (6873, 2607420), (7110, 2520506), (9164, 1955565), (11455, 1564452), (13746, 1303710), (14220, 1260253), (20619, 869140), (22910, 782226), (27492, 651855), (34365, 521484), (41238, 434570), (43457, 412380), (45820, 391113), (68730, 260742), (82476, 217285), (86914, 206190), (103095, 173828), (130371, 137460)]