1243222020

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:734

約数の個数: 192

約数和(自身を含む): 4012673280

約数和(自身を除く): 2769451260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 243, 258, 270, 324, 387, 405, 430, 486, 516, 540, 645, 661, 729, 774, 810, 860, 972, 1161, 1215, 1290, 1322, 1458, 1548, 1620, 1935, 1983, 2187, 2322, 2430, 2580, 2644, 2916, 3305, 3483, 3645, 3870, 3966, 4374, 4644, 4860, 5805, 5949, 6610, 6966, 7290, 7740, 7932, 8748, 9915, 10449, 10935, 11610, 11898, 13220, 13932, 14580, 17415, 17847, 19830, 20898, 21870, 23220, 23796, 28423, 29745, 31347, 34830, 35694, 39660, 41796, 43740, 52245, 53541, 56846, 59490, 62694, 69660, 71388, 85269, 89235, 94041, 104490, 107082, 113692, 118980, 125388, 142115, 156735, 160623, 170538, 178470, 188082, 208980, 214164, 255807, 267705, 284230, 313470, 321246, 341076, 356940, 376164, 426345, 470205, 481869, 511614, 535410, 568460, 626940, 642492, 767421, 803115, 852690, 940410, 963738, 1023228, 1070820, 1279035, 1445607, 1534842, 1606230, 1705380, 1880820, 1927476, 2302263, 2409345, 2558070, 2891214, 3069684, 3212460, 3837105, 4604526, 4818690, 5116140, 5782428, 6906789, 7228035, 7674210, 9209052, 9637380, 11511315, 13813578, 14456070, 15348420, 20720367, 23022630, 27627156, 28912140, 34533945, 41440734, 46045260, 62161101, 69067890, 82881468, 103601835, 124322202, 138135780, 207203670, 248644404, 310805505, 414407340, 621611010, 1243222020]

約数ペア:

[(1, 1243222020), (2, 621611010), (3, 414407340), (4, 310805505), (5, 248644404), (6, 207203670), (9, 138135780), (10, 124322202), (12, 103601835), (15, 82881468), (18, 69067890), (20, 62161101), (27, 46045260), (30, 41440734), (36, 34533945), (43, 28912140), (45, 27627156), (54, 23022630), (60, 20720367), (81, 15348420), (86, 14456070), (90, 13813578), (108, 11511315), (129, 9637380), (135, 9209052), (162, 7674210), (172, 7228035), (180, 6906789), (215, 5782428), (243, 5116140), (258, 4818690), (270, 4604526), (324, 3837105), (387, 3212460), (405, 3069684), (430, 2891214), (486, 2558070), (516, 2409345), (540, 2302263), (645, 1927476), (661, 1880820), (729, 1705380), (774, 1606230), (810, 1534842), (860, 1445607), (972, 1279035), (1161, 1070820), (1215, 1023228), (1290, 963738), (1322, 940410), (1458, 852690), (1548, 803115), (1620, 767421), (1935, 642492), (1983, 626940), (2187, 568460), (2322, 535410), (2430, 511614), (2580, 481869), (2644, 470205), (2916, 426345), (3305, 376164), (3483, 356940), (3645, 341076), (3870, 321246), (3966, 313470), (4374, 284230), (4644, 267705), (4860, 255807), (5805, 214164), (5949, 208980), (6610, 188082), (6966, 178470), (7290, 170538), (7740, 160623), (7932, 156735), (8748, 142115), (9915, 125388), (10449, 118980), (10935, 113692), (11610, 107082), (11898, 104490), (13220, 94041), (13932, 89235), (14580, 85269), (17415, 71388), (17847, 69660), (19830, 62694), (20898, 59490), (21870, 56846), (23220, 53541), (23796, 52245), (28423, 43740), (29745, 41796), (31347, 39660), (34830, 35694)]