305685120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:403

約数の個数: 256

約数和(自身を含む): 1080938880

約数和(自身を除く): 775253760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 37, 39, 40, 48, 52, 60, 64, 65, 74, 78, 80, 96, 104, 111, 120, 128, 130, 148, 156, 160, 185, 192, 195, 208, 222, 240, 260, 296, 312, 320, 331, 370, 384, 390, 416, 444, 480, 481, 520, 555, 592, 624, 640, 662, 740, 780, 832, 888, 960, 962, 993, 1040, 1110, 1184, 1248, 1324, 1443, 1480, 1560, 1655, 1664, 1776, 1920, 1924, 1986, 2080, 2220, 2368, 2405, 2496, 2648, 2886, 2960, 3120, 3310, 3552, 3848, 3972, 4160, 4303, 4440, 4736, 4810, 4965, 4992, 5296, 5772, 5920, 6240, 6620, 7104, 7215, 7696, 7944, 8320, 8606, 8880, 9620, 9930, 10592, 11544, 11840, 12247, 12480, 12909, 13240, 14208, 14430, 15392, 15888, 17212, 17760, 19240, 19860, 21184, 21515, 23088, 23680, 24494, 24960, 25818, 26480, 28860, 30784, 31776, 34424, 35520, 36741, 38480, 39720, 42368, 43030, 46176, 48988, 51636, 52960, 57720, 61235, 61568, 63552, 64545, 68848, 71040, 73482, 76960, 79440, 86060, 92352, 97976, 103272, 105920, 115440, 122470, 127104, 129090, 137696, 146964, 153920, 158880, 159211, 172120, 183705, 184704, 195952, 206544, 211840, 230880, 244940, 258180, 275392, 293928, 307840, 317760, 318422, 344240, 367410, 391904, 413088, 461760, 477633, 489880, 516360, 550784, 587856, 635520, 636844, 688480, 734820, 783808, 796055, 826176, 923520, 955266, 979760, 1032720, 1175712, 1273688, 1376960, 1469640, 1567616, 1592110, 1652352, 1910532, 1959520, 2065440, 2351424, 2388165, 2547376, 2753920, 2939280, 3184220, 3821064, 3919040, 4130880, 4702848, 4776330, 5094752, 5878560, 6368440, 7642128, 7838080, 8261760, 9552660, 10189504, 11757120, 12736880, 15284256, 19105320, 20379008, 23514240, 25473760, 30568512, 38210640, 50947520, 61137024, 76421280, 101895040, 152842560, 305685120]

約数ペア:

[(1, 305685120), (2, 152842560), (3, 101895040), (4, 76421280), (5, 61137024), (6, 50947520), (8, 38210640), (10, 30568512), (12, 25473760), (13, 23514240), (15, 20379008), (16, 19105320), (20, 15284256), (24, 12736880), (26, 11757120), (30, 10189504), (32, 9552660), (37, 8261760), (39, 7838080), (40, 7642128), (48, 6368440), (52, 5878560), (60, 5094752), (64, 4776330), (65, 4702848), (74, 4130880), (78, 3919040), (80, 3821064), (96, 3184220), (104, 2939280), (111, 2753920), (120, 2547376), (128, 2388165), (130, 2351424), (148, 2065440), (156, 1959520), (160, 1910532), (185, 1652352), (192, 1592110), (195, 1567616), (208, 1469640), (222, 1376960), (240, 1273688), (260, 1175712), (296, 1032720), (312, 979760), (320, 955266), (331, 923520), (370, 826176), (384, 796055), (390, 783808), (416, 734820), (444, 688480), (480, 636844), (481, 635520), (520, 587856), (555, 550784), (592, 516360), (624, 489880), (640, 477633), (662, 461760), (740, 413088), (780, 391904), (832, 367410), (888, 344240), (960, 318422), (962, 317760), (993, 307840), (1040, 293928), (1110, 275392), (1184, 258180), (1248, 244940), (1324, 230880), (1443, 211840), (1480, 206544), (1560, 195952), (1655, 184704), (1664, 183705), (1776, 172120), (1920, 159211), (1924, 158880), (1986, 153920), (2080, 146964), (2220, 137696), (2368, 129090), (2405, 127104), (2496, 122470), (2648, 115440), (2886, 105920), (2960, 103272), (3120, 97976), (3310, 92352), (3552, 86060), (3848, 79440), (3972, 76960), (4160, 73482), (4303, 71040), (4440, 68848), (4736, 64545), (4810, 63552), (4965, 61568), (4992, 61235), (5296, 57720), (5772, 52960), (5920, 51636), (6240, 48988), (6620, 46176), (7104, 43030), (7215, 42368), (7696, 39720), (7944, 38480), (8320, 36741), (8606, 35520), (8880, 34424), (9620, 31776), (9930, 30784), (10592, 28860), (11544, 26480), (11840, 25818), (12247, 24960), (12480, 24494), (12909, 23680), (13240, 23088), (14208, 21515), (14430, 21184), (15392, 19860), (15888, 19240), (17212, 17760)]