288506680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2069

約数の個数: 128

約数和(自身を含む): 826951680

約数和(自身を除く): 538445000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 88, 94, 110, 140, 154, 188, 220, 235, 280, 308, 329, 376, 385, 440, 470, 517, 616, 658, 770, 940, 1034, 1316, 1540, 1645, 1880, 1993, 2068, 2585, 2632, 3080, 3290, 3619, 3986, 4136, 5170, 6580, 7238, 7972, 9965, 10340, 13160, 13951, 14476, 15944, 18095, 19930, 20680, 21923, 27902, 28952, 36190, 39860, 43846, 55804, 69755, 72380, 79720, 87692, 93671, 109615, 111608, 139510, 144760, 153461, 175384, 187342, 219230, 279020, 306922, 374684, 438460, 468355, 558040, 613844, 655697, 749368, 767305, 876920, 936710, 1030381, 1227688, 1311394, 1534610, 1873420, 2060762, 2622788, 3069220, 3278485, 3746840, 4121524, 5151905, 5245576, 6138440, 6556970, 7212667, 8243048, 10303810, 13113940, 14425334, 20607620, 26227880, 28850668, 36063335, 41215240, 57701336, 72126670, 144253340, 288506680]

約数ペア:

[(1, 288506680), (2, 144253340), (4, 72126670), (5, 57701336), (7, 41215240), (8, 36063335), (10, 28850668), (11, 26227880), (14, 20607620), (20, 14425334), (22, 13113940), (28, 10303810), (35, 8243048), (40, 7212667), (44, 6556970), (47, 6138440), (55, 5245576), (56, 5151905), (70, 4121524), (77, 3746840), (88, 3278485), (94, 3069220), (110, 2622788), (140, 2060762), (154, 1873420), (188, 1534610), (220, 1311394), (235, 1227688), (280, 1030381), (308, 936710), (329, 876920), (376, 767305), (385, 749368), (440, 655697), (470, 613844), (517, 558040), (616, 468355), (658, 438460), (770, 374684), (940, 306922), (1034, 279020), (1316, 219230), (1540, 187342), (1645, 175384), (1880, 153461), (1993, 144760), (2068, 139510), (2585, 111608), (2632, 109615), (3080, 93671), (3290, 87692), (3619, 79720), (3986, 72380), (4136, 69755), (5170, 55804), (6580, 43846), (7238, 39860), (7972, 36190), (9965, 28952), (10340, 27902), (13160, 21923), (13951, 20680), (14476, 19930), (15944, 18095)]