80821080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:310

約数の個数: 192

約数和(自身を含む): 281698560

約数和(自身を除く): 200877480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 43, 45, 46, 60, 69, 72, 86, 90, 92, 115, 120, 129, 138, 172, 180, 184, 207, 215, 227, 230, 258, 276, 344, 345, 360, 387, 414, 430, 454, 460, 516, 552, 645, 681, 690, 774, 828, 860, 908, 920, 989, 1032, 1035, 1135, 1290, 1362, 1380, 1548, 1656, 1720, 1816, 1935, 1978, 2043, 2070, 2270, 2580, 2724, 2760, 2967, 3096, 3405, 3870, 3956, 4086, 4140, 4540, 4945, 5160, 5221, 5448, 5934, 6810, 7740, 7912, 8172, 8280, 8901, 9080, 9761, 9890, 10215, 10442, 11868, 13620, 14835, 15480, 15663, 16344, 17802, 19522, 19780, 20430, 20884, 23736, 26105, 27240, 29283, 29670, 31326, 35604, 39044, 39560, 40860, 41768, 44505, 46989, 48805, 52210, 58566, 59340, 62652, 71208, 78088, 78315, 81720, 87849, 89010, 93978, 97610, 104420, 117132, 118680, 125304, 146415, 156630, 175698, 178020, 187956, 195220, 208840, 224503, 234264, 234945, 292830, 313260, 351396, 356040, 375912, 390440, 439245, 449006, 469890, 585660, 626520, 673509, 702792, 878490, 898012, 939780, 1122515, 1171320, 1347018, 1756980, 1796024, 1879560, 2020527, 2245030, 2694036, 3367545, 3513960, 4041054, 4490060, 5388072, 6735090, 8082108, 8980120, 10102635, 13470180, 16164216, 20205270, 26940360, 40410540, 80821080]

約数ペア:

[(1, 80821080), (2, 40410540), (3, 26940360), (4, 20205270), (5, 16164216), (6, 13470180), (8, 10102635), (9, 8980120), (10, 8082108), (12, 6735090), (15, 5388072), (18, 4490060), (20, 4041054), (23, 3513960), (24, 3367545), (30, 2694036), (36, 2245030), (40, 2020527), (43, 1879560), (45, 1796024), (46, 1756980), (60, 1347018), (69, 1171320), (72, 1122515), (86, 939780), (90, 898012), (92, 878490), (115, 702792), (120, 673509), (129, 626520), (138, 585660), (172, 469890), (180, 449006), (184, 439245), (207, 390440), (215, 375912), (227, 356040), (230, 351396), (258, 313260), (276, 292830), (344, 234945), (345, 234264), (360, 224503), (387, 208840), (414, 195220), (430, 187956), (454, 178020), (460, 175698), (516, 156630), (552, 146415), (645, 125304), (681, 118680), (690, 117132), (774, 104420), (828, 97610), (860, 93978), (908, 89010), (920, 87849), (989, 81720), (1032, 78315), (1035, 78088), (1135, 71208), (1290, 62652), (1362, 59340), (1380, 58566), (1548, 52210), (1656, 48805), (1720, 46989), (1816, 44505), (1935, 41768), (1978, 40860), (2043, 39560), (2070, 39044), (2270, 35604), (2580, 31326), (2724, 29670), (2760, 29283), (2967, 27240), (3096, 26105), (3405, 23736), (3870, 20884), (3956, 20430), (4086, 19780), (4140, 19522), (4540, 17802), (4945, 16344), (5160, 15663), (5221, 15480), (5448, 14835), (5934, 13620), (6810, 11868), (7740, 10442), (7912, 10215), (8172, 9890), (8280, 9761), (8901, 9080)]