20181245280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{11941}}^1$

素因数の和:12469

約数の個数: 192

約数和(自身を含む): 72803017728

約数和(自身を除く): 52621772448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 503, 560, 672, 840, 1006, 1120, 1509, 1680, 2012, 2515, 3018, 3360, 3521, 4024, 5030, 6036, 7042, 7545, 8048, 10060, 10563, 11941, 12072, 14084, 15090, 16096, 17605, 20120, 21126, 23882, 24144, 28168, 30180, 35210, 35823, 40240, 42252, 47764, 48288, 52815, 56336, 59705, 60360, 70420, 71646, 80480, 83587, 84504, 95528, 105630, 112672, 119410, 120720, 140840, 143292, 167174, 169008, 179115, 191056, 211260, 238820, 241440, 250761, 281680, 286584, 334348, 338016, 358230, 382112, 417935, 422520, 477640, 501522, 563360, 573168, 668696, 716460, 835870, 845040, 955280, 1003044, 1146336, 1253805, 1337392, 1432920, 1671740, 1690080, 1910560, 2006088, 2507610, 2674784, 2865840, 3343480, 4012176, 5015220, 5731680, 6006323, 6686960, 8024352, 10030440, 12012646, 13373920, 18018969, 20060880, 24025292, 30031615, 36037938, 40121760, 42044261, 48050584, 60063230, 72075876, 84088522, 90094845, 96101168, 120126460, 126132783, 144151752, 168177044, 180189690, 192202336, 210221305, 240252920, 252265566, 288303504, 336354088, 360379380, 420442610, 480505840, 504531132, 576607008, 630663915, 672708176, 720758760, 840885220, 961011680, 1009062264, 1261327830, 1345416352, 1441517520, 1681770440, 2018124528, 2522655660, 2883035040, 3363540880, 4036249056, 5045311320, 6727081760, 10090622640, 20181245280]

約数ペア:

[(1, 20181245280), (2, 10090622640), (3, 6727081760), (4, 5045311320), (5, 4036249056), (6, 3363540880), (7, 2883035040), (8, 2522655660), (10, 2018124528), (12, 1681770440), (14, 1441517520), (15, 1345416352), (16, 1261327830), (20, 1009062264), (21, 961011680), (24, 840885220), (28, 720758760), (30, 672708176), (32, 630663915), (35, 576607008), (40, 504531132), (42, 480505840), (48, 420442610), (56, 360379380), (60, 336354088), (70, 288303504), (80, 252265566), (84, 240252920), (96, 210221305), (105, 192202336), (112, 180189690), (120, 168177044), (140, 144151752), (160, 126132783), (168, 120126460), (210, 96101168), (224, 90094845), (240, 84088522), (280, 72075876), (336, 60063230), (420, 48050584), (480, 42044261), (503, 40121760), (560, 36037938), (672, 30031615), (840, 24025292), (1006, 20060880), (1120, 18018969), (1509, 13373920), (1680, 12012646), (2012, 10030440), (2515, 8024352), (3018, 6686960), (3360, 6006323), (3521, 5731680), (4024, 5015220), (5030, 4012176), (6036, 3343480), (7042, 2865840), (7545, 2674784), (8048, 2507610), (10060, 2006088), (10563, 1910560), (11941, 1690080), (12072, 1671740), (14084, 1432920), (15090, 1337392), (16096, 1253805), (17605, 1146336), (20120, 1003044), (21126, 955280), (23882, 845040), (24144, 835870), (28168, 716460), (30180, 668696), (35210, 573168), (35823, 563360), (40240, 501522), (42252, 477640), (47764, 422520), (48288, 417935), (52815, 382112), (56336, 358230), (59705, 338016), (60360, 334348), (70420, 286584), (71646, 281680), (80480, 250761), (83587, 241440), (84504, 238820), (95528, 211260), (105630, 191056), (112672, 179115), (119410, 169008), (120720, 167174), (140840, 143292)]