1280605536

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 216

約数和(自身を含む): 4307062032

約数和(自身を除く): 3026456496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 72, 84, 93, 96, 112, 124, 126, 144, 168, 186, 217, 224, 248, 252, 279, 288, 336, 372, 434, 496, 504, 558, 651, 661, 672, 744, 868, 961, 992, 1008, 1116, 1302, 1322, 1488, 1736, 1922, 1953, 1983, 2016, 2232, 2604, 2644, 2883, 2976, 3472, 3844, 3906, 3966, 4464, 4627, 5208, 5288, 5766, 5949, 6727, 6944, 7688, 7812, 7932, 8649, 8928, 9254, 10416, 10576, 11532, 11898, 13454, 13881, 15376, 15624, 15864, 17298, 18508, 20181, 20491, 20832, 21152, 23064, 23796, 26908, 27762, 30752, 31248, 31728, 34596, 37016, 40362, 40982, 41643, 46128, 47592, 53816, 55524, 60543, 61473, 62496, 63456, 69192, 74032, 80724, 81964, 83286, 92256, 95184, 107632, 111048, 121086, 122946, 138384, 143437, 148064, 161448, 163928, 166572, 184419, 190368, 215264, 222096, 242172, 245892, 276768, 286874, 322896, 327856, 333144, 368838, 430311, 444192, 484344, 491784, 573748, 635221, 645792, 655712, 666288, 737676, 860622, 968688, 983568, 1147496, 1270442, 1290933, 1332576, 1475352, 1721244, 1905663, 1937376, 1967136, 2294992, 2540884, 2581866, 2950704, 3442488, 3811326, 4446547, 4589984, 5081768, 5163732, 5716989, 5901408, 6884976, 7622652, 8893094, 10163536, 10327464, 11433978, 13339641, 13769952, 15245304, 17786188, 20327072, 20654928, 22867956, 26679282, 30490608, 35572376, 40018923, 41309856, 45735912, 53358564, 60981216, 71144752, 80037846, 91471824, 106717128, 142289504, 160075692, 182943648, 213434256, 320151384, 426868512, 640302768, 1280605536]

約数ペア:

[(1, 1280605536), (2, 640302768), (3, 426868512), (4, 320151384), (6, 213434256), (7, 182943648), (8, 160075692), (9, 142289504), (12, 106717128), (14, 91471824), (16, 80037846), (18, 71144752), (21, 60981216), (24, 53358564), (28, 45735912), (31, 41309856), (32, 40018923), (36, 35572376), (42, 30490608), (48, 26679282), (56, 22867956), (62, 20654928), (63, 20327072), (72, 17786188), (84, 15245304), (93, 13769952), (96, 13339641), (112, 11433978), (124, 10327464), (126, 10163536), (144, 8893094), (168, 7622652), (186, 6884976), (217, 5901408), (224, 5716989), (248, 5163732), (252, 5081768), (279, 4589984), (288, 4446547), (336, 3811326), (372, 3442488), (434, 2950704), (496, 2581866), (504, 2540884), (558, 2294992), (651, 1967136), (661, 1937376), (672, 1905663), (744, 1721244), (868, 1475352), (961, 1332576), (992, 1290933), (1008, 1270442), (1116, 1147496), (1302, 983568), (1322, 968688), (1488, 860622), (1736, 737676), (1922, 666288), (1953, 655712), (1983, 645792), (2016, 635221), (2232, 573748), (2604, 491784), (2644, 484344), (2883, 444192), (2976, 430311), (3472, 368838), (3844, 333144), (3906, 327856), (3966, 322896), (4464, 286874), (4627, 276768), (5208, 245892), (5288, 242172), (5766, 222096), (5949, 215264), (6727, 190368), (6944, 184419), (7688, 166572), (7812, 163928), (7932, 161448), (8649, 148064), (8928, 143437), (9254, 138384), (10416, 122946), (10576, 121086), (11532, 111048), (11898, 107632), (13454, 95184), (13881, 92256), (15376, 83286), (15624, 81964), (15864, 80724), (17298, 74032), (18508, 69192), (20181, 63456), (20491, 62496), (20832, 61473), (21152, 60543), (23064, 55524), (23796, 53816), (26908, 47592), (27762, 46128), (30752, 41643), (31248, 40982), (31728, 40362), (34596, 37016)]