309935520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 288

約数和(自身を含む): 1120863744

約数和(自身を除く): 810928224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 53, 60, 62, 72, 80, 90, 93, 96, 106, 120, 124, 131, 144, 155, 159, 160, 180, 186, 212, 240, 248, 262, 265, 279, 288, 310, 318, 360, 372, 393, 424, 465, 477, 480, 496, 524, 530, 558, 620, 636, 655, 720, 744, 786, 795, 848, 930, 954, 992, 1048, 1060, 1116, 1179, 1240, 1272, 1310, 1395, 1440, 1488, 1572, 1590, 1643, 1696, 1860, 1908, 1965, 2096, 2120, 2232, 2358, 2385, 2480, 2544, 2620, 2790, 2976, 3144, 3180, 3286, 3720, 3816, 3930, 4061, 4192, 4240, 4464, 4716, 4770, 4929, 4960, 5088, 5240, 5580, 5895, 6288, 6360, 6572, 6943, 7440, 7632, 7860, 8122, 8215, 8480, 8928, 9432, 9540, 9858, 10480, 11160, 11790, 12183, 12576, 12720, 13144, 13886, 14787, 14880, 15264, 15720, 16244, 16430, 18864, 19080, 19716, 20305, 20829, 20960, 22320, 23580, 24366, 24645, 25440, 26288, 27772, 29574, 31440, 32488, 32860, 34715, 36549, 37728, 38160, 39432, 40610, 41658, 44640, 47160, 48732, 49290, 52576, 55544, 59148, 60915, 62487, 62880, 64976, 65720, 69430, 73098, 73935, 76320, 78864, 81220, 83316, 94320, 97464, 98580, 104145, 111088, 118296, 121830, 124974, 129952, 131440, 138860, 146196, 147870, 157728, 162440, 166632, 182745, 188640, 194928, 197160, 208290, 215233, 222176, 236592, 243660, 249948, 262880, 277720, 292392, 295740, 312435, 324880, 333264, 365490, 389856, 394320, 416580, 430466, 473184, 487320, 499896, 555440, 584784, 591480, 624870, 645699, 649760, 666528, 730980, 788640, 833160, 860932, 974640, 999792, 1076165, 1110880, 1169568, 1182960, 1249740, 1291398, 1461960, 1666320, 1721864, 1937097, 1949280, 1999584, 2152330, 2365920, 2499480, 2582796, 2923920, 3228495, 3332640, 3443728, 3874194, 4304660, 4998960, 5165592, 5847840, 6456990, 6887456, 7748388, 8609320, 9685485, 9997920, 10331184, 12913980, 15496776, 17218640, 19370970, 20662368, 25827960, 30993552, 34437280, 38741940, 51655920, 61987104, 77483880, 103311840, 154967760, 309935520]

約数ペア:

[(1, 309935520), (2, 154967760), (3, 103311840), (4, 77483880), (5, 61987104), (6, 51655920), (8, 38741940), (9, 34437280), (10, 30993552), (12, 25827960), (15, 20662368), (16, 19370970), (18, 17218640), (20, 15496776), (24, 12913980), (30, 10331184), (31, 9997920), (32, 9685485), (36, 8609320), (40, 7748388), (45, 6887456), (48, 6456990), (53, 5847840), (60, 5165592), (62, 4998960), (72, 4304660), (80, 3874194), (90, 3443728), (93, 3332640), (96, 3228495), (106, 2923920), (120, 2582796), (124, 2499480), (131, 2365920), (144, 2152330), (155, 1999584), (159, 1949280), (160, 1937097), (180, 1721864), (186, 1666320), (212, 1461960), (240, 1291398), (248, 1249740), (262, 1182960), (265, 1169568), (279, 1110880), (288, 1076165), (310, 999792), (318, 974640), (360, 860932), (372, 833160), (393, 788640), (424, 730980), (465, 666528), (477, 649760), (480, 645699), (496, 624870), (524, 591480), (530, 584784), (558, 555440), (620, 499896), (636, 487320), (655, 473184), (720, 430466), (744, 416580), (786, 394320), (795, 389856), (848, 365490), (930, 333264), (954, 324880), (992, 312435), (1048, 295740), (1060, 292392), (1116, 277720), (1179, 262880), (1240, 249948), (1272, 243660), (1310, 236592), (1395, 222176), (1440, 215233), (1488, 208290), (1572, 197160), (1590, 194928), (1643, 188640), (1696, 182745), (1860, 166632), (1908, 162440), (1965, 157728), (2096, 147870), (2120, 146196), (2232, 138860), (2358, 131440), (2385, 129952), (2480, 124974), (2544, 121830), (2620, 118296), (2790, 111088), (2976, 104145), (3144, 98580), (3180, 97464), (3286, 94320), (3720, 83316), (3816, 81220), (3930, 78864), (4061, 76320), (4192, 73935), (4240, 73098), (4464, 69430), (4716, 65720), (4770, 64976), (4929, 62880), (4960, 62487), (5088, 60915), (5240, 59148), (5580, 55544), (5895, 52576), (6288, 49290), (6360, 48732), (6572, 47160), (6943, 44640), (7440, 41658), (7632, 40610), (7860, 39432), (8122, 38160), (8215, 37728), (8480, 36549), (8928, 34715), (9432, 32860), (9540, 32488), (9858, 31440), (10480, 29574), (11160, 27772), (11790, 26288), (12183, 25440), (12576, 24645), (12720, 24366), (13144, 23580), (13886, 22320), (14787, 20960), (14880, 20829), (15264, 20305), (15720, 19716), (16244, 19080), (16430, 18864)]