20269440

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 320

約数和(自身を含む): 79976160

約数和(自身を除く): 59706720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 27, 30, 32, 34, 36, 40, 45, 46, 48, 51, 54, 60, 64, 68, 69, 72, 80, 81, 85, 90, 92, 96, 102, 108, 115, 120, 128, 135, 136, 138, 144, 153, 160, 162, 170, 180, 184, 192, 204, 207, 216, 230, 240, 255, 270, 272, 276, 288, 306, 320, 324, 340, 345, 360, 368, 384, 391, 405, 408, 414, 432, 459, 460, 480, 510, 540, 544, 552, 576, 612, 621, 640, 648, 680, 690, 720, 736, 765, 782, 810, 816, 828, 864, 918, 920, 960, 1020, 1035, 1080, 1088, 1104, 1152, 1173, 1224, 1242, 1296, 1360, 1377, 1380, 1440, 1472, 1530, 1564, 1620, 1632, 1656, 1728, 1836, 1840, 1863, 1920, 1955, 2040, 2070, 2160, 2176, 2208, 2295, 2346, 2448, 2484, 2592, 2720, 2754, 2760, 2880, 2944, 3060, 3105, 3128, 3240, 3264, 3312, 3456, 3519, 3672, 3680, 3726, 3910, 4080, 4140, 4320, 4416, 4590, 4692, 4896, 4968, 5184, 5440, 5508, 5520, 5760, 5865, 6120, 6210, 6256, 6480, 6528, 6624, 6885, 7038, 7344, 7360, 7452, 7820, 8160, 8280, 8640, 8832, 9180, 9315, 9384, 9792, 9936, 10368, 10557, 10880, 11016, 11040, 11730, 12240, 12420, 12512, 12960, 13248, 13770, 14076, 14688, 14720, 14904, 15640, 16320, 16560, 17280, 17595, 18360, 18630, 18768, 19584, 19872, 21114, 22032, 22080, 23460, 24480, 24840, 25024, 25920, 26496, 27540, 28152, 29376, 29808, 31280, 31671, 32640, 33120, 35190, 36720, 37260, 37536, 39744, 42228, 44064, 44160, 46920, 48960, 49680, 50048, 51840, 52785, 55080, 56304, 58752, 59616, 62560, 63342, 66240, 70380, 73440, 74520, 75072, 79488, 84456, 88128, 93840, 97920, 99360, 105570, 110160, 112608, 119232, 125120, 126684, 132480, 140760, 146880, 149040, 150144, 158355, 168912, 176256, 187680, 198720, 211140, 220320, 225216, 238464, 250240, 253368, 281520, 293760, 298080, 316710, 337824, 375360, 397440, 422280, 440640, 450432, 506736, 563040, 596160, 633420, 675648, 750720, 844560, 881280, 1013472, 1126080, 1192320, 1266840, 1351296, 1689120, 2026944, 2252160, 2533680, 3378240, 4053888, 5067360, 6756480, 10134720, 20269440]

約数ペア:

[(1, 20269440), (2, 10134720), (3, 6756480), (4, 5067360), (5, 4053888), (6, 3378240), (8, 2533680), (9, 2252160), (10, 2026944), (12, 1689120), (15, 1351296), (16, 1266840), (17, 1192320), (18, 1126080), (20, 1013472), (23, 881280), (24, 844560), (27, 750720), (30, 675648), (32, 633420), (34, 596160), (36, 563040), (40, 506736), (45, 450432), (46, 440640), (48, 422280), (51, 397440), (54, 375360), (60, 337824), (64, 316710), (68, 298080), (69, 293760), (72, 281520), (80, 253368), (81, 250240), (85, 238464), (90, 225216), (92, 220320), (96, 211140), (102, 198720), (108, 187680), (115, 176256), (120, 168912), (128, 158355), (135, 150144), (136, 149040), (138, 146880), (144, 140760), (153, 132480), (160, 126684), (162, 125120), (170, 119232), (180, 112608), (184, 110160), (192, 105570), (204, 99360), (207, 97920), (216, 93840), (230, 88128), (240, 84456), (255, 79488), (270, 75072), (272, 74520), (276, 73440), (288, 70380), (306, 66240), (320, 63342), (324, 62560), (340, 59616), (345, 58752), (360, 56304), (368, 55080), (384, 52785), (391, 51840), (405, 50048), (408, 49680), (414, 48960), (432, 46920), (459, 44160), (460, 44064), (480, 42228), (510, 39744), (540, 37536), (544, 37260), (552, 36720), (576, 35190), (612, 33120), (621, 32640), (640, 31671), (648, 31280), (680, 29808), (690, 29376), (720, 28152), (736, 27540), (765, 26496), (782, 25920), (810, 25024), (816, 24840), (828, 24480), (864, 23460), (918, 22080), (920, 22032), (960, 21114), (1020, 19872), (1035, 19584), (1080, 18768), (1088, 18630), (1104, 18360), (1152, 17595), (1173, 17280), (1224, 16560), (1242, 16320), (1296, 15640), (1360, 14904), (1377, 14720), (1380, 14688), (1440, 14076), (1472, 13770), (1530, 13248), (1564, 12960), (1620, 12512), (1632, 12420), (1656, 12240), (1728, 11730), (1836, 11040), (1840, 11016), (1863, 10880), (1920, 10557), (1955, 10368), (2040, 9936), (2070, 9792), (2160, 9384), (2176, 9315), (2208, 9180), (2295, 8832), (2346, 8640), (2448, 8280), (2484, 8160), (2592, 7820), (2720, 7452), (2754, 7360), (2760, 7344), (2880, 7038), (2944, 6885), (3060, 6624), (3105, 6528), (3128, 6480), (3240, 6256), (3264, 6210), (3312, 6120), (3456, 5865), (3519, 5760), (3672, 5520), (3680, 5508), (3726, 5440), (3910, 5184), (4080, 4968), (4140, 4896), (4320, 4692), (4416, 4590)]