20859457320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{143779}}^1$

素因数の和:143840

約数の個数: 192

約数和(自身を含む): 75363724800

約数和(自身を除く): 54504267480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 234, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 520, 558, 585, 620, 744, 780, 806, 930, 936, 1116, 1170, 1209, 1240, 1395, 1560, 1612, 1860, 2015, 2232, 2340, 2418, 2790, 3224, 3627, 3720, 4030, 4680, 4836, 5580, 6045, 7254, 8060, 9672, 11160, 12090, 14508, 16120, 18135, 24180, 29016, 36270, 48360, 72540, 143779, 145080, 287558, 431337, 575116, 718895, 862674, 1150232, 1294011, 1437790, 1725348, 1869127, 2156685, 2588022, 2875580, 3450696, 3738254, 4313370, 4457149, 5176044, 5607381, 5751160, 6470055, 7476508, 8626740, 8914298, 9345635, 10352088, 11214762, 12940110, 13371447, 14953016, 16822143, 17253480, 17828596, 18691270, 22285745, 22429524, 25880220, 26742894, 28036905, 33644286, 35657192, 37382540, 40114341, 44571490, 44859048, 51760440, 53485788, 56073810, 57942937, 66857235, 67288572, 74765080, 80228682, 84110715, 89142980, 106971576, 112147620, 115885874, 133714470, 134577144, 160457364, 168221430, 173828811, 178285960, 200571705, 224295240, 231771748, 267428940, 289714685, 320914728, 336442860, 347657622, 401143410, 463543496, 521486433, 534857880, 579429370, 672885720, 695315244, 802286820, 869144055, 1042972866, 1158858740, 1390630488, 1604573640, 1738288110, 2085945732, 2317717480, 2607432165, 3476576220, 4171891464, 5214864330, 6953152440, 10429728660, 20859457320]

約数ペア:

[(1, 20859457320), (2, 10429728660), (3, 6953152440), (4, 5214864330), (5, 4171891464), (6, 3476576220), (8, 2607432165), (9, 2317717480), (10, 2085945732), (12, 1738288110), (13, 1604573640), (15, 1390630488), (18, 1158858740), (20, 1042972866), (24, 869144055), (26, 802286820), (30, 695315244), (31, 672885720), (36, 579429370), (39, 534857880), (40, 521486433), (45, 463543496), (52, 401143410), (60, 347657622), (62, 336442860), (65, 320914728), (72, 289714685), (78, 267428940), (90, 231771748), (93, 224295240), (104, 200571705), (117, 178285960), (120, 173828811), (124, 168221430), (130, 160457364), (155, 134577144), (156, 133714470), (180, 115885874), (186, 112147620), (195, 106971576), (234, 89142980), (248, 84110715), (260, 80228682), (279, 74765080), (310, 67288572), (312, 66857235), (360, 57942937), (372, 56073810), (390, 53485788), (403, 51760440), (465, 44859048), (468, 44571490), (520, 40114341), (558, 37382540), (585, 35657192), (620, 33644286), (744, 28036905), (780, 26742894), (806, 25880220), (930, 22429524), (936, 22285745), (1116, 18691270), (1170, 17828596), (1209, 17253480), (1240, 16822143), (1395, 14953016), (1560, 13371447), (1612, 12940110), (1860, 11214762), (2015, 10352088), (2232, 9345635), (2340, 8914298), (2418, 8626740), (2790, 7476508), (3224, 6470055), (3627, 5751160), (3720, 5607381), (4030, 5176044), (4680, 4457149), (4836, 4313370), (5580, 3738254), (6045, 3450696), (7254, 2875580), (8060, 2588022), (9672, 2156685), (11160, 1869127), (12090, 1725348), (14508, 1437790), (16120, 1294011), (18135, 1150232), (24180, 862674), (29016, 718895), (36270, 575116), (48360, 431337), (72540, 287558), (143779, 145080)]