319942560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:316

約数の個数: 288

約数和(自身を含む): 1196923392

約数和(自身を除く): 876980832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 61, 70, 80, 84, 96, 98, 105, 112, 120, 122, 140, 147, 160, 168, 183, 196, 210, 223, 224, 240, 244, 245, 280, 294, 305, 336, 366, 392, 420, 427, 446, 480, 488, 490, 560, 588, 610, 669, 672, 732, 735, 784, 840, 854, 892, 915, 976, 980, 1115, 1120, 1176, 1220, 1281, 1338, 1464, 1470, 1561, 1568, 1680, 1708, 1784, 1830, 1952, 1960, 2135, 2230, 2352, 2440, 2562, 2676, 2928, 2940, 2989, 3122, 3345, 3360, 3416, 3568, 3660, 3920, 4270, 4460, 4683, 4704, 4880, 5124, 5352, 5856, 5880, 5978, 6244, 6405, 6690, 6832, 7136, 7320, 7805, 7840, 8540, 8920, 8967, 9366, 9760, 10248, 10704, 10927, 11760, 11956, 12488, 12810, 13380, 13603, 13664, 14640, 14945, 15610, 17080, 17840, 17934, 18732, 20496, 21408, 21854, 23415, 23520, 23912, 24976, 25620, 26760, 27206, 29280, 29890, 31220, 32781, 34160, 35680, 35868, 37464, 40809, 40992, 43708, 44835, 46830, 47824, 49952, 51240, 53520, 54412, 54635, 59780, 62440, 65562, 68015, 68320, 71736, 74928, 81618, 87416, 89670, 93660, 95221, 95648, 102480, 107040, 108824, 109270, 119560, 124880, 131124, 136030, 143472, 149856, 163236, 163905, 174832, 179340, 187320, 190442, 204045, 204960, 217648, 218540, 239120, 249760, 262248, 272060, 285663, 286944, 326472, 327810, 349664, 358680, 374640, 380884, 408090, 435296, 437080, 476105, 478240, 524496, 544120, 571326, 652944, 655620, 666547, 717360, 749280, 761768, 816180, 874160, 952210, 1048992, 1088240, 1142652, 1305888, 1311240, 1333094, 1428315, 1434720, 1523536, 1632360, 1748320, 1904420, 1999641, 2176480, 2285304, 2622480, 2666188, 2856630, 3047072, 3264720, 3332735, 3808840, 3999282, 4570608, 5244960, 5332376, 5713260, 6529440, 6665470, 7617680, 7998564, 9141216, 9998205, 10664752, 11426520, 13330940, 15235360, 15997128, 19996410, 21329504, 22853040, 26661880, 31994256, 39992820, 45706080, 53323760, 63988512, 79985640, 106647520, 159971280, 319942560]

約数ペア:

[(1, 319942560), (2, 159971280), (3, 106647520), (4, 79985640), (5, 63988512), (6, 53323760), (7, 45706080), (8, 39992820), (10, 31994256), (12, 26661880), (14, 22853040), (15, 21329504), (16, 19996410), (20, 15997128), (21, 15235360), (24, 13330940), (28, 11426520), (30, 10664752), (32, 9998205), (35, 9141216), (40, 7998564), (42, 7617680), (48, 6665470), (49, 6529440), (56, 5713260), (60, 5332376), (61, 5244960), (70, 4570608), (80, 3999282), (84, 3808840), (96, 3332735), (98, 3264720), (105, 3047072), (112, 2856630), (120, 2666188), (122, 2622480), (140, 2285304), (147, 2176480), (160, 1999641), (168, 1904420), (183, 1748320), (196, 1632360), (210, 1523536), (223, 1434720), (224, 1428315), (240, 1333094), (244, 1311240), (245, 1305888), (280, 1142652), (294, 1088240), (305, 1048992), (336, 952210), (366, 874160), (392, 816180), (420, 761768), (427, 749280), (446, 717360), (480, 666547), (488, 655620), (490, 652944), (560, 571326), (588, 544120), (610, 524496), (669, 478240), (672, 476105), (732, 437080), (735, 435296), (784, 408090), (840, 380884), (854, 374640), (892, 358680), (915, 349664), (976, 327810), (980, 326472), (1115, 286944), (1120, 285663), (1176, 272060), (1220, 262248), (1281, 249760), (1338, 239120), (1464, 218540), (1470, 217648), (1561, 204960), (1568, 204045), (1680, 190442), (1708, 187320), (1784, 179340), (1830, 174832), (1952, 163905), (1960, 163236), (2135, 149856), (2230, 143472), (2352, 136030), (2440, 131124), (2562, 124880), (2676, 119560), (2928, 109270), (2940, 108824), (2989, 107040), (3122, 102480), (3345, 95648), (3360, 95221), (3416, 93660), (3568, 89670), (3660, 87416), (3920, 81618), (4270, 74928), (4460, 71736), (4683, 68320), (4704, 68015), (4880, 65562), (5124, 62440), (5352, 59780), (5856, 54635), (5880, 54412), (5978, 53520), (6244, 51240), (6405, 49952), (6690, 47824), (6832, 46830), (7136, 44835), (7320, 43708), (7805, 40992), (7840, 40809), (8540, 37464), (8920, 35868), (8967, 35680), (9366, 34160), (9760, 32781), (10248, 31220), (10704, 29890), (10927, 29280), (11760, 27206), (11956, 26760), (12488, 25620), (12810, 24976), (13380, 23912), (13603, 23520), (13664, 23415), (14640, 21854), (14945, 21408), (15610, 20496), (17080, 18732), (17840, 17934)]