381514920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:855

約数の個数: 128

約数和(自身を含む): 1183818240

約数和(自身を除く): 802303320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 107, 120, 129, 172, 214, 215, 258, 321, 344, 428, 430, 516, 535, 642, 645, 691, 856, 860, 1032, 1070, 1284, 1290, 1382, 1605, 1720, 2073, 2140, 2568, 2580, 2764, 3210, 3455, 4146, 4280, 4601, 5160, 5528, 6420, 6910, 8292, 9202, 10365, 12840, 13803, 13820, 16584, 18404, 20730, 23005, 27606, 27640, 29713, 36808, 41460, 46010, 55212, 59426, 69015, 73937, 82920, 89139, 92020, 110424, 118852, 138030, 147874, 148565, 178278, 184040, 221811, 237704, 276060, 295748, 297130, 356556, 369685, 443622, 445695, 552120, 591496, 594260, 713112, 739370, 887244, 891390, 1109055, 1188520, 1478740, 1774488, 1782780, 2218110, 2957480, 3179291, 3565560, 4436220, 6358582, 8872440, 9537873, 12717164, 15896455, 19075746, 25434328, 31792910, 38151492, 47689365, 63585820, 76302984, 95378730, 127171640, 190757460, 381514920]

約数ペア:

[(1, 381514920), (2, 190757460), (3, 127171640), (4, 95378730), (5, 76302984), (6, 63585820), (8, 47689365), (10, 38151492), (12, 31792910), (15, 25434328), (20, 19075746), (24, 15896455), (30, 12717164), (40, 9537873), (43, 8872440), (60, 6358582), (86, 4436220), (107, 3565560), (120, 3179291), (129, 2957480), (172, 2218110), (214, 1782780), (215, 1774488), (258, 1478740), (321, 1188520), (344, 1109055), (428, 891390), (430, 887244), (516, 739370), (535, 713112), (642, 594260), (645, 591496), (691, 552120), (856, 445695), (860, 443622), (1032, 369685), (1070, 356556), (1284, 297130), (1290, 295748), (1382, 276060), (1605, 237704), (1720, 221811), (2073, 184040), (2140, 178278), (2568, 148565), (2580, 147874), (2764, 138030), (3210, 118852), (3455, 110424), (4146, 92020), (4280, 89139), (4601, 82920), (5160, 73937), (5528, 69015), (6420, 59426), (6910, 55212), (8292, 46010), (9202, 41460), (10365, 36808), (12840, 29713), (13803, 27640), (13820, 27606), (16584, 23005), (18404, 20730)]