1639239840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{162623}}^1$

素因数の和:162651

約数の個数: 144

約数和(自身を含む): 6393074688

約数和(自身を除く): 4753834848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 162623, 325246, 487869, 650492, 813115, 975738, 1138361, 1300984, 1463607, 1626230, 1951476, 2276722, 2439345, 2601968, 2927214, 3252460, 3415083, 3902952, 4553444, 4878690, 5203936, 5691805, 5854428, 6504920, 6830166, 7318035, 7805904, 9106888, 9757380, 10245249, 11383610, 11708856, 13009840, 13660332, 14636070, 15611808, 17075415, 18213776, 19514760, 20490498, 22767220, 23417712, 26019680, 27320664, 29272140, 34150830, 36427552, 39029520, 40980996, 45534440, 46835424, 51226245, 54641328, 58544280, 68301660, 78059040, 81961992, 91068880, 102452490, 109282656, 117088560, 136603320, 163923984, 182137760, 204904980, 234177120, 273206640, 327847968, 409809960, 546413280, 819619920, 1639239840]

約数ペア:

[(1, 1639239840), (2, 819619920), (3, 546413280), (4, 409809960), (5, 327847968), (6, 273206640), (7, 234177120), (8, 204904980), (9, 182137760), (10, 163923984), (12, 136603320), (14, 117088560), (15, 109282656), (16, 102452490), (18, 91068880), (20, 81961992), (21, 78059040), (24, 68301660), (28, 58544280), (30, 54641328), (32, 51226245), (35, 46835424), (36, 45534440), (40, 40980996), (42, 39029520), (45, 36427552), (48, 34150830), (56, 29272140), (60, 27320664), (63, 26019680), (70, 23417712), (72, 22767220), (80, 20490498), (84, 19514760), (90, 18213776), (96, 17075415), (105, 15611808), (112, 14636070), (120, 13660332), (126, 13009840), (140, 11708856), (144, 11383610), (160, 10245249), (168, 9757380), (180, 9106888), (210, 7805904), (224, 7318035), (240, 6830166), (252, 6504920), (280, 5854428), (288, 5691805), (315, 5203936), (336, 4878690), (360, 4553444), (420, 3902952), (480, 3415083), (504, 3252460), (560, 2927214), (630, 2601968), (672, 2439345), (720, 2276722), (840, 1951476), (1008, 1626230), (1120, 1463607), (1260, 1300984), (1440, 1138361), (1680, 975738), (2016, 813115), (2520, 650492), (3360, 487869), (5040, 325246), (10080, 162623)]