78889440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:521

約数の個数: 192

約数和(自身を含む): 290013696

約数和(自身を除く): 211124256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 53, 56, 60, 70, 80, 84, 96, 105, 106, 112, 120, 140, 159, 160, 168, 210, 212, 224, 240, 265, 280, 318, 336, 371, 420, 424, 443, 480, 530, 560, 636, 672, 742, 795, 840, 848, 886, 1060, 1113, 1120, 1272, 1329, 1484, 1590, 1680, 1696, 1772, 1855, 2120, 2215, 2226, 2544, 2658, 2968, 3101, 3180, 3360, 3544, 3710, 4240, 4430, 4452, 5088, 5316, 5565, 5936, 6202, 6360, 6645, 7088, 7420, 8480, 8860, 8904, 9303, 10632, 11130, 11872, 12404, 12720, 13290, 14176, 14840, 15505, 17720, 17808, 18606, 21264, 22260, 23479, 24808, 25440, 26580, 29680, 31010, 35440, 35616, 37212, 42528, 44520, 46515, 46958, 49616, 53160, 59360, 62020, 70437, 70880, 74424, 89040, 93030, 93916, 99232, 106320, 117395, 124040, 140874, 148848, 164353, 178080, 186060, 187832, 212640, 234790, 248080, 281748, 297696, 328706, 352185, 372120, 375664, 469580, 493059, 496160, 563496, 657412, 704370, 744240, 751328, 821765, 939160, 986118, 1126992, 1314824, 1408740, 1488480, 1643530, 1878320, 1972236, 2253984, 2465295, 2629648, 2817480, 3287060, 3756640, 3944472, 4930590, 5259296, 5634960, 6574120, 7888944, 9861180, 11269920, 13148240, 15777888, 19722360, 26296480, 39444720, 78889440]

約数ペア:

[(1, 78889440), (2, 39444720), (3, 26296480), (4, 19722360), (5, 15777888), (6, 13148240), (7, 11269920), (8, 9861180), (10, 7888944), (12, 6574120), (14, 5634960), (15, 5259296), (16, 4930590), (20, 3944472), (21, 3756640), (24, 3287060), (28, 2817480), (30, 2629648), (32, 2465295), (35, 2253984), (40, 1972236), (42, 1878320), (48, 1643530), (53, 1488480), (56, 1408740), (60, 1314824), (70, 1126992), (80, 986118), (84, 939160), (96, 821765), (105, 751328), (106, 744240), (112, 704370), (120, 657412), (140, 563496), (159, 496160), (160, 493059), (168, 469580), (210, 375664), (212, 372120), (224, 352185), (240, 328706), (265, 297696), (280, 281748), (318, 248080), (336, 234790), (371, 212640), (420, 187832), (424, 186060), (443, 178080), (480, 164353), (530, 148848), (560, 140874), (636, 124040), (672, 117395), (742, 106320), (795, 99232), (840, 93916), (848, 93030), (886, 89040), (1060, 74424), (1113, 70880), (1120, 70437), (1272, 62020), (1329, 59360), (1484, 53160), (1590, 49616), (1680, 46958), (1696, 46515), (1772, 44520), (1855, 42528), (2120, 37212), (2215, 35616), (2226, 35440), (2544, 31010), (2658, 29680), (2968, 26580), (3101, 25440), (3180, 24808), (3360, 23479), (3544, 22260), (3710, 21264), (4240, 18606), (4430, 17808), (4452, 17720), (5088, 15505), (5316, 14840), (5565, 14176), (5936, 13290), (6202, 12720), (6360, 12404), (6645, 11872), (7088, 11130), (7420, 10632), (8480, 9303), (8860, 8904)]