221279760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:582

約数の個数: 240

約数和(自身を含む): 818947584

約数和(自身を除く): 597667824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 47, 48, 52, 60, 65, 72, 78, 80, 90, 94, 104, 117, 120, 130, 141, 144, 156, 180, 188, 195, 208, 234, 235, 240, 260, 282, 312, 360, 376, 390, 423, 468, 470, 503, 520, 564, 585, 611, 624, 705, 720, 752, 780, 846, 936, 940, 1006, 1040, 1128, 1170, 1222, 1410, 1509, 1560, 1692, 1833, 1872, 1880, 2012, 2115, 2256, 2340, 2444, 2515, 2820, 3018, 3055, 3120, 3384, 3666, 3760, 4024, 4230, 4527, 4680, 4888, 5030, 5499, 5640, 6036, 6110, 6539, 6768, 7332, 7545, 8048, 8460, 9054, 9165, 9360, 9776, 10060, 10998, 11280, 12072, 12220, 13078, 14664, 15090, 16920, 18108, 18330, 19617, 20120, 21996, 22635, 23641, 24144, 24440, 26156, 27495, 29328, 30180, 32695, 33840, 36216, 36660, 39234, 40240, 43992, 45270, 47282, 48880, 52312, 54990, 58851, 60360, 65390, 70923, 72432, 73320, 78468, 87984, 90540, 94564, 98085, 104624, 109980, 117702, 118205, 120720, 130780, 141846, 146640, 156936, 181080, 189128, 196170, 212769, 219960, 235404, 236410, 261560, 283692, 294255, 307333, 313872, 354615, 362160, 378256, 392340, 425538, 439920, 470808, 472820, 523120, 567384, 588510, 614666, 709230, 784680, 851076, 921999, 941616, 945640, 1063845, 1134768, 1177020, 1229332, 1418460, 1536665, 1569360, 1702152, 1843998, 1891280, 2127690, 2354040, 2458664, 2765997, 2836920, 3073330, 3404304, 3687996, 4255380, 4609995, 4708080, 4917328, 5531994, 5673840, 6146660, 7375992, 8510760, 9219990, 11063988, 12293320, 13829985, 14751984, 17021520, 18439980, 22127976, 24586640, 27659970, 36879960, 44255952, 55319940, 73759920, 110639880, 221279760]

約数ペア:

[(1, 221279760), (2, 110639880), (3, 73759920), (4, 55319940), (5, 44255952), (6, 36879960), (8, 27659970), (9, 24586640), (10, 22127976), (12, 18439980), (13, 17021520), (15, 14751984), (16, 13829985), (18, 12293320), (20, 11063988), (24, 9219990), (26, 8510760), (30, 7375992), (36, 6146660), (39, 5673840), (40, 5531994), (45, 4917328), (47, 4708080), (48, 4609995), (52, 4255380), (60, 3687996), (65, 3404304), (72, 3073330), (78, 2836920), (80, 2765997), (90, 2458664), (94, 2354040), (104, 2127690), (117, 1891280), (120, 1843998), (130, 1702152), (141, 1569360), (144, 1536665), (156, 1418460), (180, 1229332), (188, 1177020), (195, 1134768), (208, 1063845), (234, 945640), (235, 941616), (240, 921999), (260, 851076), (282, 784680), (312, 709230), (360, 614666), (376, 588510), (390, 567384), (423, 523120), (468, 472820), (470, 470808), (503, 439920), (520, 425538), (564, 392340), (585, 378256), (611, 362160), (624, 354615), (705, 313872), (720, 307333), (752, 294255), (780, 283692), (846, 261560), (936, 236410), (940, 235404), (1006, 219960), (1040, 212769), (1128, 196170), (1170, 189128), (1222, 181080), (1410, 156936), (1509, 146640), (1560, 141846), (1692, 130780), (1833, 120720), (1872, 118205), (1880, 117702), (2012, 109980), (2115, 104624), (2256, 98085), (2340, 94564), (2444, 90540), (2515, 87984), (2820, 78468), (3018, 73320), (3055, 72432), (3120, 70923), (3384, 65390), (3666, 60360), (3760, 58851), (4024, 54990), (4230, 52312), (4527, 48880), (4680, 47282), (4888, 45270), (5030, 43992), (5499, 40240), (5640, 39234), (6036, 36660), (6110, 36216), (6539, 33840), (6768, 32695), (7332, 30180), (7545, 29328), (8048, 27495), (8460, 26156), (9054, 24440), (9165, 24144), (9360, 23641), (9776, 22635), (10060, 21996), (10998, 20120), (11280, 19617), (12072, 18330), (12220, 18108), (13078, 16920), (14664, 15090)]