1920908304

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{661}}^1$

素因数の和:747

約数の個数: 240

約数和(自身を含む): 6521070720

約数和(自身を除く): 4600162416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 36, 42, 48, 54, 56, 62, 63, 72, 84, 93, 108, 112, 124, 126, 144, 168, 186, 189, 216, 217, 248, 252, 279, 336, 372, 378, 432, 434, 496, 504, 558, 651, 661, 744, 756, 837, 868, 961, 1008, 1116, 1302, 1322, 1488, 1512, 1674, 1736, 1922, 1953, 1983, 2232, 2604, 2644, 2883, 3024, 3348, 3472, 3844, 3906, 3966, 4464, 4627, 5208, 5288, 5766, 5859, 5949, 6696, 6727, 7688, 7812, 7932, 8649, 9254, 10416, 10576, 11532, 11718, 11898, 13392, 13454, 13881, 15376, 15624, 15864, 17298, 17847, 18508, 20181, 20491, 23064, 23436, 23796, 25947, 26908, 27762, 31248, 31728, 34596, 35694, 37016, 40362, 40982, 41643, 46128, 46872, 47592, 51894, 53816, 55524, 60543, 61473, 69192, 71388, 74032, 80724, 81964, 83286, 93744, 95184, 103788, 107632, 111048, 121086, 122946, 124929, 138384, 142776, 143437, 161448, 163928, 166572, 181629, 184419, 207576, 222096, 242172, 245892, 249858, 285552, 286874, 322896, 327856, 333144, 363258, 368838, 415152, 430311, 484344, 491784, 499716, 553257, 573748, 635221, 666288, 726516, 737676, 860622, 968688, 983568, 999432, 1106514, 1147496, 1270442, 1290933, 1453032, 1475352, 1721244, 1905663, 1998864, 2213028, 2294992, 2540884, 2581866, 2906064, 2950704, 3442488, 3811326, 3872799, 4426056, 4446547, 5081768, 5163732, 5716989, 6884976, 7622652, 7745598, 8852112, 8893094, 10163536, 10327464, 11433978, 13339641, 15245304, 15491196, 17150967, 17786188, 20654928, 22867956, 26679282, 30490608, 30982392, 34301934, 35572376, 40018923, 45735912, 53358564, 61964784, 68603868, 71144752, 80037846, 91471824, 106717128, 120056769, 137207736, 160075692, 213434256, 240113538, 274415472, 320151384, 480227076, 640302768, 960454152, 1920908304]

約数ペア:

[(1, 1920908304), (2, 960454152), (3, 640302768), (4, 480227076), (6, 320151384), (7, 274415472), (8, 240113538), (9, 213434256), (12, 160075692), (14, 137207736), (16, 120056769), (18, 106717128), (21, 91471824), (24, 80037846), (27, 71144752), (28, 68603868), (31, 61964784), (36, 53358564), (42, 45735912), (48, 40018923), (54, 35572376), (56, 34301934), (62, 30982392), (63, 30490608), (72, 26679282), (84, 22867956), (93, 20654928), (108, 17786188), (112, 17150967), (124, 15491196), (126, 15245304), (144, 13339641), (168, 11433978), (186, 10327464), (189, 10163536), (216, 8893094), (217, 8852112), (248, 7745598), (252, 7622652), (279, 6884976), (336, 5716989), (372, 5163732), (378, 5081768), (432, 4446547), (434, 4426056), (496, 3872799), (504, 3811326), (558, 3442488), (651, 2950704), (661, 2906064), (744, 2581866), (756, 2540884), (837, 2294992), (868, 2213028), (961, 1998864), (1008, 1905663), (1116, 1721244), (1302, 1475352), (1322, 1453032), (1488, 1290933), (1512, 1270442), (1674, 1147496), (1736, 1106514), (1922, 999432), (1953, 983568), (1983, 968688), (2232, 860622), (2604, 737676), (2644, 726516), (2883, 666288), (3024, 635221), (3348, 573748), (3472, 553257), (3844, 499716), (3906, 491784), (3966, 484344), (4464, 430311), (4627, 415152), (5208, 368838), (5288, 363258), (5766, 333144), (5859, 327856), (5949, 322896), (6696, 286874), (6727, 285552), (7688, 249858), (7812, 245892), (7932, 242172), (8649, 222096), (9254, 207576), (10416, 184419), (10576, 181629), (11532, 166572), (11718, 163928), (11898, 161448), (13392, 143437), (13454, 142776), (13881, 138384), (15376, 124929), (15624, 122946), (15864, 121086), (17298, 111048), (17847, 107632), (18508, 103788), (20181, 95184), (20491, 93744), (23064, 83286), (23436, 81964), (23796, 80724), (25947, 74032), (26908, 71388), (27762, 69192), (31248, 61473), (31728, 60543), (34596, 55524), (35694, 53816), (37016, 51894), (40362, 47592), (40982, 46872), (41643, 46128)]