78072120

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:499

約数の個数: 256

約数和(自身を含む): 311040000

約数和(自身を除く): 232967880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 54, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 108, 115, 120, 126, 135, 138, 140, 161, 168, 180, 184, 189, 207, 210, 216, 230, 252, 270, 276, 280, 315, 322, 345, 360, 378, 414, 420, 449, 460, 483, 504, 540, 552, 621, 630, 644, 690, 756, 805, 828, 840, 898, 920, 945, 966, 1035, 1080, 1242, 1260, 1288, 1347, 1380, 1449, 1512, 1610, 1656, 1796, 1890, 1932, 2070, 2245, 2415, 2484, 2520, 2694, 2760, 2898, 3105, 3143, 3220, 3592, 3780, 3864, 4041, 4140, 4347, 4490, 4830, 4968, 5388, 5796, 6210, 6286, 6440, 6735, 7245, 7560, 8082, 8280, 8694, 8980, 9429, 9660, 10327, 10776, 11592, 12123, 12420, 12572, 13470, 14490, 15715, 16164, 17388, 17960, 18858, 19320, 20205, 20654, 21735, 24246, 24840, 25144, 26940, 28287, 28980, 30981, 31430, 32328, 34776, 37716, 40410, 41308, 43470, 47145, 48492, 51635, 53880, 56574, 57960, 60615, 61962, 62860, 72289, 75432, 80820, 82616, 84861, 86940, 92943, 94290, 96984, 103270, 113148, 121230, 123924, 125720, 141435, 144578, 154905, 161640, 169722, 173880, 185886, 188580, 206540, 216867, 226296, 242460, 247848, 278829, 282870, 289156, 309810, 339444, 361445, 371772, 377160, 413080, 424305, 433734, 464715, 484920, 557658, 565740, 578312, 619620, 650601, 678888, 722890, 743544, 848610, 867468, 929430, 1084335, 1115316, 1131480, 1239240, 1301202, 1394145, 1445780, 1697220, 1734936, 1858860, 1951803, 2168670, 2230632, 2602404, 2788290, 2891560, 3253005, 3394440, 3717720, 3903606, 4337340, 5204808, 5576580, 6506010, 7807212, 8674680, 9759015, 11153160, 13012020, 15614424, 19518030, 26024040, 39036060, 78072120]

約数ペア:

[(1, 78072120), (2, 39036060), (3, 26024040), (4, 19518030), (5, 15614424), (6, 13012020), (7, 11153160), (8, 9759015), (9, 8674680), (10, 7807212), (12, 6506010), (14, 5576580), (15, 5204808), (18, 4337340), (20, 3903606), (21, 3717720), (23, 3394440), (24, 3253005), (27, 2891560), (28, 2788290), (30, 2602404), (35, 2230632), (36, 2168670), (40, 1951803), (42, 1858860), (45, 1734936), (46, 1697220), (54, 1445780), (56, 1394145), (60, 1301202), (63, 1239240), (69, 1131480), (70, 1115316), (72, 1084335), (84, 929430), (90, 867468), (92, 848610), (105, 743544), (108, 722890), (115, 678888), (120, 650601), (126, 619620), (135, 578312), (138, 565740), (140, 557658), (161, 484920), (168, 464715), (180, 433734), (184, 424305), (189, 413080), (207, 377160), (210, 371772), (216, 361445), (230, 339444), (252, 309810), (270, 289156), (276, 282870), (280, 278829), (315, 247848), (322, 242460), (345, 226296), (360, 216867), (378, 206540), (414, 188580), (420, 185886), (449, 173880), (460, 169722), (483, 161640), (504, 154905), (540, 144578), (552, 141435), (621, 125720), (630, 123924), (644, 121230), (690, 113148), (756, 103270), (805, 96984), (828, 94290), (840, 92943), (898, 86940), (920, 84861), (945, 82616), (966, 80820), (1035, 75432), (1080, 72289), (1242, 62860), (1260, 61962), (1288, 60615), (1347, 57960), (1380, 56574), (1449, 53880), (1512, 51635), (1610, 48492), (1656, 47145), (1796, 43470), (1890, 41308), (1932, 40410), (2070, 37716), (2245, 34776), (2415, 32328), (2484, 31430), (2520, 30981), (2694, 28980), (2760, 28287), (2898, 26940), (3105, 25144), (3143, 24840), (3220, 24246), (3592, 21735), (3780, 20654), (3864, 20205), (4041, 19320), (4140, 18858), (4347, 17960), (4490, 17388), (4830, 16164), (4968, 15715), (5388, 14490), (5796, 13470), (6210, 12572), (6286, 12420), (6440, 12123), (6735, 11592), (7245, 10776), (7560, 10327), (8082, 9660), (8280, 9429), (8694, 8980)]