262966880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 216

約数和(自身を含む): 740837664

約数和(自身を除く): 477870784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 47, 55, 68, 80, 85, 88, 94, 110, 121, 136, 160, 170, 176, 187, 188, 220, 235, 242, 272, 289, 340, 352, 374, 376, 440, 470, 484, 517, 544, 578, 605, 680, 748, 752, 799, 880, 935, 940, 968, 1034, 1156, 1210, 1360, 1445, 1496, 1504, 1598, 1760, 1870, 1880, 1936, 2057, 2068, 2312, 2420, 2585, 2720, 2890, 2992, 3179, 3196, 3740, 3760, 3872, 3995, 4114, 4136, 4624, 4840, 5170, 5687, 5780, 5984, 6358, 6392, 7480, 7520, 7990, 8228, 8272, 8789, 9248, 9680, 10285, 10340, 11374, 11560, 12716, 12784, 13583, 14960, 15895, 15980, 16456, 16544, 17578, 19360, 20570, 20680, 22748, 23120, 25432, 25568, 27166, 28435, 29920, 31790, 31960, 32912, 34969, 35156, 41140, 41360, 43945, 45496, 46240, 50864, 54332, 56870, 63580, 63920, 65824, 67915, 69938, 70312, 82280, 82720, 87890, 90992, 96679, 101728, 108664, 113740, 127160, 127840, 135830, 139876, 140624, 149413, 164560, 174845, 175780, 181984, 193358, 217328, 227480, 254320, 271660, 279752, 281248, 298826, 329120, 349690, 351560, 386716, 434656, 454960, 483395, 508640, 543320, 559504, 597652, 699380, 703120, 747065, 773432, 909920, 966790, 1086640, 1119008, 1195304, 1398760, 1406240, 1494130, 1546864, 1643543, 1933580, 2173280, 2390608, 2797520, 2988260, 3093728, 3287086, 3867160, 4781216, 5595040, 5976520, 6574172, 7734320, 8217715, 11953040, 13148344, 15468640, 16435430, 23906080, 26296688, 32870860, 52593376, 65741720, 131483440, 262966880]

約数ペア:

[(1, 262966880), (2, 131483440), (4, 65741720), (5, 52593376), (8, 32870860), (10, 26296688), (11, 23906080), (16, 16435430), (17, 15468640), (20, 13148344), (22, 11953040), (32, 8217715), (34, 7734320), (40, 6574172), (44, 5976520), (47, 5595040), (55, 4781216), (68, 3867160), (80, 3287086), (85, 3093728), (88, 2988260), (94, 2797520), (110, 2390608), (121, 2173280), (136, 1933580), (160, 1643543), (170, 1546864), (176, 1494130), (187, 1406240), (188, 1398760), (220, 1195304), (235, 1119008), (242, 1086640), (272, 966790), (289, 909920), (340, 773432), (352, 747065), (374, 703120), (376, 699380), (440, 597652), (470, 559504), (484, 543320), (517, 508640), (544, 483395), (578, 454960), (605, 434656), (680, 386716), (748, 351560), (752, 349690), (799, 329120), (880, 298826), (935, 281248), (940, 279752), (968, 271660), (1034, 254320), (1156, 227480), (1210, 217328), (1360, 193358), (1445, 181984), (1496, 175780), (1504, 174845), (1598, 164560), (1760, 149413), (1870, 140624), (1880, 139876), (1936, 135830), (2057, 127840), (2068, 127160), (2312, 113740), (2420, 108664), (2585, 101728), (2720, 96679), (2890, 90992), (2992, 87890), (3179, 82720), (3196, 82280), (3740, 70312), (3760, 69938), (3872, 67915), (3995, 65824), (4114, 63920), (4136, 63580), (4624, 56870), (4840, 54332), (5170, 50864), (5687, 46240), (5780, 45496), (5984, 43945), (6358, 41360), (6392, 41140), (7480, 35156), (7520, 34969), (7990, 32912), (8228, 31960), (8272, 31790), (8789, 29920), (9248, 28435), (9680, 27166), (10285, 25568), (10340, 25432), (11374, 23120), (11560, 22748), (12716, 20680), (12784, 20570), (13583, 19360), (14960, 17578), (15895, 16544), (15980, 16456)]