20661349320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{1187}}^1$

素因数の和:1505

約数の個数: 256

約数和(自身を含む): 70207948800

約数和(自身を除く): 49546599480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 227, 270, 284, 355, 360, 426, 454, 540, 568, 639, 681, 710, 852, 908, 1065, 1080, 1135, 1187, 1278, 1362, 1420, 1704, 1816, 1917, 2043, 2130, 2270, 2374, 2556, 2724, 2840, 3195, 3405, 3561, 3834, 4086, 4260, 4540, 4748, 5112, 5448, 5935, 6129, 6390, 6810, 7122, 7668, 8172, 8520, 9080, 9496, 9585, 10215, 10683, 11870, 12258, 12780, 13620, 14244, 15336, 16117, 16344, 17805, 19170, 20430, 21366, 23740, 24516, 25560, 27240, 28488, 30645, 32049, 32234, 35610, 38340, 40860, 42732, 47480, 48351, 49032, 53415, 61290, 64098, 64468, 71220, 76680, 80585, 81720, 84277, 85464, 96702, 106830, 122580, 128196, 128936, 142440, 145053, 160245, 161170, 168554, 193404, 213660, 241755, 245160, 252831, 256392, 269449, 290106, 320490, 322340, 337108, 386808, 421385, 427320, 435159, 483510, 505662, 538898, 580212, 640980, 644680, 674216, 725265, 758493, 808347, 842770, 870318, 967020, 1011324, 1077796, 1160424, 1264155, 1281960, 1347245, 1450530, 1516986, 1616694, 1685540, 1740636, 1934040, 2022648, 2155592, 2175795, 2275479, 2425041, 2528310, 2694490, 2901060, 3033972, 3233388, 3371080, 3481272, 3792465, 4041735, 4351590, 4550958, 4850082, 5056620, 5388980, 5802120, 6067944, 6466776, 7275123, 7584930, 8083470, 8703180, 9101916, 9700164, 10113240, 10777960, 11377395, 12125205, 14550246, 15169860, 16166940, 17406360, 18203832, 19130879, 19400328, 22754790, 24250410, 29100492, 30339720, 32333880, 36375615, 38261758, 45509580, 48500820, 57392637, 58200984, 72751230, 76523516, 91019160, 95654395, 97001640, 114785274, 145502460, 153047032, 172177911, 191308790, 229570548, 286963185, 291004920, 344355822, 382617580, 459141096, 516533733, 573926370, 688711644, 765235160, 860889555, 1033067466, 1147852740, 1377423288, 1721779110, 2066134932, 2295705480, 2582668665, 3443558220, 4132269864, 5165337330, 6887116440, 10330674660, 20661349320]

約数ペア:

[(1, 20661349320), (2, 10330674660), (3, 6887116440), (4, 5165337330), (5, 4132269864), (6, 3443558220), (8, 2582668665), (9, 2295705480), (10, 2066134932), (12, 1721779110), (15, 1377423288), (18, 1147852740), (20, 1033067466), (24, 860889555), (27, 765235160), (30, 688711644), (36, 573926370), (40, 516533733), (45, 459141096), (54, 382617580), (60, 344355822), (71, 291004920), (72, 286963185), (90, 229570548), (108, 191308790), (120, 172177911), (135, 153047032), (142, 145502460), (180, 114785274), (213, 97001640), (216, 95654395), (227, 91019160), (270, 76523516), (284, 72751230), (355, 58200984), (360, 57392637), (426, 48500820), (454, 45509580), (540, 38261758), (568, 36375615), (639, 32333880), (681, 30339720), (710, 29100492), (852, 24250410), (908, 22754790), (1065, 19400328), (1080, 19130879), (1135, 18203832), (1187, 17406360), (1278, 16166940), (1362, 15169860), (1420, 14550246), (1704, 12125205), (1816, 11377395), (1917, 10777960), (2043, 10113240), (2130, 9700164), (2270, 9101916), (2374, 8703180), (2556, 8083470), (2724, 7584930), (2840, 7275123), (3195, 6466776), (3405, 6067944), (3561, 5802120), (3834, 5388980), (4086, 5056620), (4260, 4850082), (4540, 4550958), (4748, 4351590), (5112, 4041735), (5448, 3792465), (5935, 3481272), (6129, 3371080), (6390, 3233388), (6810, 3033972), (7122, 2901060), (7668, 2694490), (8172, 2528310), (8520, 2425041), (9080, 2275479), (9496, 2175795), (9585, 2155592), (10215, 2022648), (10683, 1934040), (11870, 1740636), (12258, 1685540), (12780, 1616694), (13620, 1516986), (14244, 1450530), (15336, 1347245), (16117, 1281960), (16344, 1264155), (17805, 1160424), (19170, 1077796), (20430, 1011324), (21366, 967020), (23740, 870318), (24516, 842770), (25560, 808347), (27240, 758493), (28488, 725265), (30645, 674216), (32049, 644680), (32234, 640980), (35610, 580212), (38340, 538898), (40860, 505662), (42732, 483510), (47480, 435159), (48351, 427320), (49032, 421385), (53415, 386808), (61290, 337108), (64098, 322340), (64468, 320490), (71220, 290106), (76680, 269449), (80585, 256392), (81720, 252831), (84277, 245160), (85464, 241755), (96702, 213660), (106830, 193404), (122580, 168554), (128196, 161170), (128936, 160245), (142440, 145053)]