87210720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:945

約数の個数: 144

約数和(自身を含む): 302152032

約数和(自身を除く): 214941312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 639, 710, 720, 852, 853, 1065, 1136, 1278, 1420, 1440, 1704, 1706, 2130, 2272, 2556, 2559, 2840, 3195, 3408, 3412, 4260, 4265, 5112, 5118, 5680, 6390, 6816, 6824, 7677, 8520, 8530, 10224, 10236, 11360, 12780, 12795, 13648, 15354, 17040, 17060, 20448, 20472, 25560, 25590, 27296, 30708, 34080, 34120, 38385, 40944, 51120, 51180, 60563, 61416, 68240, 76770, 81888, 102240, 102360, 121126, 122832, 136480, 153540, 181689, 204720, 242252, 245664, 302815, 307080, 363378, 409440, 484504, 545067, 605630, 614160, 726756, 908445, 969008, 1090134, 1211260, 1228320, 1453512, 1816890, 1938016, 2180268, 2422520, 2725335, 2907024, 3633780, 4360536, 4845040, 5450670, 5814048, 7267560, 8721072, 9690080, 10901340, 14535120, 17442144, 21802680, 29070240, 43605360, 87210720]

約数ペア:

[(1, 87210720), (2, 43605360), (3, 29070240), (4, 21802680), (5, 17442144), (6, 14535120), (8, 10901340), (9, 9690080), (10, 8721072), (12, 7267560), (15, 5814048), (16, 5450670), (18, 4845040), (20, 4360536), (24, 3633780), (30, 2907024), (32, 2725335), (36, 2422520), (40, 2180268), (45, 1938016), (48, 1816890), (60, 1453512), (71, 1228320), (72, 1211260), (80, 1090134), (90, 969008), (96, 908445), (120, 726756), (142, 614160), (144, 605630), (160, 545067), (180, 484504), (213, 409440), (240, 363378), (284, 307080), (288, 302815), (355, 245664), (360, 242252), (426, 204720), (480, 181689), (568, 153540), (639, 136480), (710, 122832), (720, 121126), (852, 102360), (853, 102240), (1065, 81888), (1136, 76770), (1278, 68240), (1420, 61416), (1440, 60563), (1704, 51180), (1706, 51120), (2130, 40944), (2272, 38385), (2556, 34120), (2559, 34080), (2840, 30708), (3195, 27296), (3408, 25590), (3412, 25560), (4260, 20472), (4265, 20448), (5112, 17060), (5118, 17040), (5680, 15354), (6390, 13648), (6816, 12795), (6824, 12780), (7677, 11360), (8520, 10236), (8530, 10224)]