66918960

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:497

約数の個数: 200

約数和(自身を含む): 243064800

約数和(自身を除く): 176145840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 108, 115, 120, 135, 138, 144, 162, 180, 184, 207, 216, 230, 240, 270, 276, 324, 345, 360, 368, 405, 414, 432, 449, 460, 540, 552, 621, 648, 690, 720, 810, 828, 898, 920, 1035, 1080, 1104, 1242, 1296, 1347, 1380, 1620, 1656, 1796, 1840, 1863, 2070, 2160, 2245, 2484, 2694, 2760, 3105, 3240, 3312, 3592, 3726, 4041, 4140, 4490, 4968, 5388, 5520, 6210, 6480, 6735, 7184, 7452, 8082, 8280, 8980, 9315, 9936, 10327, 10776, 12123, 12420, 13470, 14904, 16164, 16560, 17960, 18630, 20205, 20654, 21552, 24246, 24840, 26940, 29808, 30981, 32328, 35920, 36369, 37260, 40410, 41308, 48492, 49680, 51635, 53880, 60615, 61962, 64656, 72738, 74520, 80820, 82616, 92943, 96984, 103270, 107760, 121230, 123924, 145476, 149040, 154905, 161640, 165232, 181845, 185886, 193968, 206540, 242460, 247848, 278829, 290952, 309810, 323280, 363690, 371772, 413080, 464715, 484920, 495696, 557658, 581904, 619620, 727380, 743544, 826160, 836487, 929430, 969840, 1115316, 1239240, 1394145, 1454760, 1487088, 1672974, 1858860, 2230632, 2478480, 2788290, 2909520, 3345948, 3717720, 4182435, 4461264, 5576580, 6691896, 7435440, 8364870, 11153160, 13383792, 16729740, 22306320, 33459480, 66918960]

約数ペア:

[(1, 66918960), (2, 33459480), (3, 22306320), (4, 16729740), (5, 13383792), (6, 11153160), (8, 8364870), (9, 7435440), (10, 6691896), (12, 5576580), (15, 4461264), (16, 4182435), (18, 3717720), (20, 3345948), (23, 2909520), (24, 2788290), (27, 2478480), (30, 2230632), (36, 1858860), (40, 1672974), (45, 1487088), (46, 1454760), (48, 1394145), (54, 1239240), (60, 1115316), (69, 969840), (72, 929430), (80, 836487), (81, 826160), (90, 743544), (92, 727380), (108, 619620), (115, 581904), (120, 557658), (135, 495696), (138, 484920), (144, 464715), (162, 413080), (180, 371772), (184, 363690), (207, 323280), (216, 309810), (230, 290952), (240, 278829), (270, 247848), (276, 242460), (324, 206540), (345, 193968), (360, 185886), (368, 181845), (405, 165232), (414, 161640), (432, 154905), (449, 149040), (460, 145476), (540, 123924), (552, 121230), (621, 107760), (648, 103270), (690, 96984), (720, 92943), (810, 82616), (828, 80820), (898, 74520), (920, 72738), (1035, 64656), (1080, 61962), (1104, 60615), (1242, 53880), (1296, 51635), (1347, 49680), (1380, 48492), (1620, 41308), (1656, 40410), (1796, 37260), (1840, 36369), (1863, 35920), (2070, 32328), (2160, 30981), (2245, 29808), (2484, 26940), (2694, 24840), (2760, 24246), (3105, 21552), (3240, 20654), (3312, 20205), (3592, 18630), (3726, 17960), (4041, 16560), (4140, 16164), (4490, 14904), (4968, 13470), (5388, 12420), (5520, 12123), (6210, 10776), (6480, 10327), (6735, 9936), (7184, 9315), (7452, 8980), (8082, 8280)]