1280491680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12071}}^1$

素因数の和:12119

約数の個数: 192

約数和(自身を含む): 4599721728

約数和(自身を除く): 3319230048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 96, 102, 104, 120, 130, 136, 156, 160, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 340, 390, 408, 416, 442, 480, 510, 520, 544, 624, 663, 680, 780, 816, 884, 1020, 1040, 1105, 1248, 1326, 1360, 1560, 1632, 1768, 2040, 2080, 2210, 2652, 2720, 3120, 3315, 3536, 4080, 4420, 5304, 6240, 6630, 7072, 8160, 8840, 10608, 12071, 13260, 17680, 21216, 24142, 26520, 35360, 36213, 48284, 53040, 60355, 72426, 96568, 106080, 120710, 144852, 156923, 181065, 193136, 205207, 241420, 289704, 313846, 362130, 386272, 410414, 470769, 482840, 579408, 615621, 627692, 724260, 784615, 820828, 941538, 965680, 1026035, 1158816, 1231242, 1255384, 1448520, 1569230, 1641656, 1883076, 1931360, 2052070, 2353845, 2462484, 2510768, 2667691, 2897040, 3078105, 3138460, 3283312, 3766152, 4104140, 4707690, 4924968, 5021536, 5335382, 5794080, 6156210, 6276920, 6566624, 7532304, 8003073, 8208280, 9415380, 9849936, 10670764, 12312420, 12553840, 13338455, 15064608, 16006146, 16416560, 18830760, 19699872, 21341528, 24624840, 25107680, 26676910, 32012292, 32833120, 37661520, 40015365, 42683056, 49249680, 53353820, 64024584, 75323040, 80030730, 85366112, 98499360, 106707640, 128049168, 160061460, 213415280, 256098336, 320122920, 426830560, 640245840, 1280491680]

約数ペア:

[(1, 1280491680), (2, 640245840), (3, 426830560), (4, 320122920), (5, 256098336), (6, 213415280), (8, 160061460), (10, 128049168), (12, 106707640), (13, 98499360), (15, 85366112), (16, 80030730), (17, 75323040), (20, 64024584), (24, 53353820), (26, 49249680), (30, 42683056), (32, 40015365), (34, 37661520), (39, 32833120), (40, 32012292), (48, 26676910), (51, 25107680), (52, 24624840), (60, 21341528), (65, 19699872), (68, 18830760), (78, 16416560), (80, 16006146), (85, 15064608), (96, 13338455), (102, 12553840), (104, 12312420), (120, 10670764), (130, 9849936), (136, 9415380), (156, 8208280), (160, 8003073), (170, 7532304), (195, 6566624), (204, 6276920), (208, 6156210), (221, 5794080), (240, 5335382), (255, 5021536), (260, 4924968), (272, 4707690), (312, 4104140), (340, 3766152), (390, 3283312), (408, 3138460), (416, 3078105), (442, 2897040), (480, 2667691), (510, 2510768), (520, 2462484), (544, 2353845), (624, 2052070), (663, 1931360), (680, 1883076), (780, 1641656), (816, 1569230), (884, 1448520), (1020, 1255384), (1040, 1231242), (1105, 1158816), (1248, 1026035), (1326, 965680), (1360, 941538), (1560, 820828), (1632, 784615), (1768, 724260), (2040, 627692), (2080, 615621), (2210, 579408), (2652, 482840), (2720, 470769), (3120, 410414), (3315, 386272), (3536, 362130), (4080, 313846), (4420, 289704), (5304, 241420), (6240, 205207), (6630, 193136), (7072, 181065), (8160, 156923), (8840, 144852), (10608, 120710), (12071, 106080), (13260, 96568), (17680, 72426), (21216, 60355), (24142, 53040), (26520, 48284), (35360, 36213)]