1780200

素因数分解:

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

素因数の和:88

約数の個数: 144

約数和(自身を含む): 6383520

約数和(自身を除く): 4603320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 25, 30, 36, 40, 43, 45, 46, 50, 60, 69, 72, 75, 86, 90, 92, 100, 115, 120, 129, 138, 150, 172, 180, 184, 200, 207, 215, 225, 230, 258, 276, 300, 344, 345, 360, 387, 414, 430, 450, 460, 516, 552, 575, 600, 645, 690, 774, 828, 860, 900, 920, 989, 1032, 1035, 1075, 1150, 1290, 1380, 1548, 1656, 1720, 1725, 1800, 1935, 1978, 2070, 2150, 2300, 2580, 2760, 2967, 3096, 3225, 3450, 3870, 3956, 4140, 4300, 4600, 4945, 5160, 5175, 5934, 6450, 6900, 7740, 7912, 8280, 8600, 8901, 9675, 9890, 10350, 11868, 12900, 13800, 14835, 15480, 17802, 19350, 19780, 20700, 23736, 24725, 25800, 29670, 35604, 38700, 39560, 41400, 44505, 49450, 59340, 71208, 74175, 77400, 89010, 98900, 118680, 148350, 178020, 197800, 222525, 296700, 356040, 445050, 593400, 890100, 1780200]

約数ペア:

[(1, 1780200), (2, 890100), (3, 593400), (4, 445050), (5, 356040), (6, 296700), (8, 222525), (9, 197800), (10, 178020), (12, 148350), (15, 118680), (18, 98900), (20, 89010), (23, 77400), (24, 74175), (25, 71208), (30, 59340), (36, 49450), (40, 44505), (43, 41400), (45, 39560), (46, 38700), (50, 35604), (60, 29670), (69, 25800), (72, 24725), (75, 23736), (86, 20700), (90, 19780), (92, 19350), (100, 17802), (115, 15480), (120, 14835), (129, 13800), (138, 12900), (150, 11868), (172, 10350), (180, 9890), (184, 9675), (200, 8901), (207, 8600), (215, 8280), (225, 7912), (230, 7740), (258, 6900), (276, 6450), (300, 5934), (344, 5175), (345, 5160), (360, 4945), (387, 4600), (414, 4300), (430, 4140), (450, 3956), (460, 3870), (516, 3450), (552, 3225), (575, 3096), (600, 2967), (645, 2760), (690, 2580), (774, 2300), (828, 2150), (860, 2070), (900, 1978), (920, 1935), (989, 1800), (1032, 1725), (1035, 1720), (1075, 1656), (1150, 1548), (1290, 1380)]