66990720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 256

約数和(自身を含む): 234420480

約数和(自身を除く): 167429760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 37, 40, 41, 46, 48, 60, 64, 69, 74, 80, 82, 92, 96, 111, 115, 120, 123, 128, 138, 148, 160, 164, 184, 185, 192, 205, 222, 230, 240, 246, 276, 296, 320, 328, 345, 368, 370, 384, 410, 444, 460, 480, 492, 552, 555, 592, 615, 640, 656, 690, 736, 740, 820, 851, 888, 920, 943, 960, 984, 1104, 1110, 1184, 1230, 1312, 1380, 1472, 1480, 1517, 1640, 1702, 1776, 1840, 1886, 1920, 1968, 2208, 2220, 2368, 2460, 2553, 2624, 2760, 2829, 2944, 2960, 3034, 3280, 3404, 3552, 3680, 3772, 3936, 4255, 4416, 4440, 4551, 4715, 4736, 4920, 5106, 5248, 5520, 5658, 5920, 6068, 6560, 6808, 7104, 7360, 7544, 7585, 7872, 8510, 8832, 8880, 9102, 9430, 9840, 10212, 11040, 11316, 11840, 12136, 12765, 13120, 13616, 14145, 14208, 14720, 15088, 15170, 15744, 17020, 17760, 18204, 18860, 19680, 20424, 22080, 22632, 22755, 23680, 24272, 25530, 26240, 27232, 28290, 30176, 30340, 34040, 34891, 35520, 36408, 37720, 39360, 40848, 44160, 45264, 45510, 48544, 51060, 54464, 56580, 60352, 60680, 68080, 69782, 71040, 72816, 75440, 78720, 81696, 90528, 91020, 97088, 102120, 104673, 108928, 113160, 120704, 121360, 136160, 139564, 145632, 150880, 163392, 174455, 181056, 182040, 194176, 204240, 209346, 226320, 242720, 272320, 279128, 291264, 301760, 326784, 348910, 362112, 364080, 408480, 418692, 452640, 485440, 523365, 544640, 558256, 582528, 603520, 697820, 728160, 816960, 837384, 905280, 970880, 1046730, 1116512, 1395640, 1456320, 1633920, 1674768, 1810560, 2093460, 2233024, 2791280, 2912640, 3349536, 4186920, 4466048, 5582560, 6699072, 8373840, 11165120, 13398144, 16747680, 22330240, 33495360, 66990720]

約数ペア:

[(1, 66990720), (2, 33495360), (3, 22330240), (4, 16747680), (5, 13398144), (6, 11165120), (8, 8373840), (10, 6699072), (12, 5582560), (15, 4466048), (16, 4186920), (20, 3349536), (23, 2912640), (24, 2791280), (30, 2233024), (32, 2093460), (37, 1810560), (40, 1674768), (41, 1633920), (46, 1456320), (48, 1395640), (60, 1116512), (64, 1046730), (69, 970880), (74, 905280), (80, 837384), (82, 816960), (92, 728160), (96, 697820), (111, 603520), (115, 582528), (120, 558256), (123, 544640), (128, 523365), (138, 485440), (148, 452640), (160, 418692), (164, 408480), (184, 364080), (185, 362112), (192, 348910), (205, 326784), (222, 301760), (230, 291264), (240, 279128), (246, 272320), (276, 242720), (296, 226320), (320, 209346), (328, 204240), (345, 194176), (368, 182040), (370, 181056), (384, 174455), (410, 163392), (444, 150880), (460, 145632), (480, 139564), (492, 136160), (552, 121360), (555, 120704), (592, 113160), (615, 108928), (640, 104673), (656, 102120), (690, 97088), (736, 91020), (740, 90528), (820, 81696), (851, 78720), (888, 75440), (920, 72816), (943, 71040), (960, 69782), (984, 68080), (1104, 60680), (1110, 60352), (1184, 56580), (1230, 54464), (1312, 51060), (1380, 48544), (1472, 45510), (1480, 45264), (1517, 44160), (1640, 40848), (1702, 39360), (1776, 37720), (1840, 36408), (1886, 35520), (1920, 34891), (1968, 34040), (2208, 30340), (2220, 30176), (2368, 28290), (2460, 27232), (2553, 26240), (2624, 25530), (2760, 24272), (2829, 23680), (2944, 22755), (2960, 22632), (3034, 22080), (3280, 20424), (3404, 19680), (3552, 18860), (3680, 18204), (3772, 17760), (3936, 17020), (4255, 15744), (4416, 15170), (4440, 15088), (4551, 14720), (4715, 14208), (4736, 14145), (4920, 13616), (5106, 13120), (5248, 12765), (5520, 12136), (5658, 11840), (5920, 11316), (6068, 11040), (6560, 10212), (6808, 9840), (7104, 9430), (7360, 9102), (7544, 8880), (7585, 8832), (7872, 8510)]