79919280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 240

約数和(自身を含む): 311747904

約数和(自身を除く): 231828624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 101, 105, 112, 120, 126, 140, 144, 157, 168, 180, 202, 210, 240, 252, 280, 303, 314, 315, 336, 360, 404, 420, 471, 504, 505, 560, 606, 628, 630, 707, 720, 785, 808, 840, 909, 942, 1008, 1010, 1099, 1212, 1256, 1260, 1413, 1414, 1515, 1570, 1616, 1680, 1818, 1884, 2020, 2121, 2198, 2355, 2424, 2512, 2520, 2826, 2828, 3030, 3140, 3297, 3535, 3636, 3768, 4040, 4242, 4396, 4545, 4710, 4848, 5040, 5495, 5652, 5656, 6060, 6280, 6363, 6594, 7065, 7070, 7272, 7536, 8080, 8484, 8792, 9090, 9420, 9891, 10605, 10990, 11304, 11312, 12120, 12560, 12726, 13188, 14130, 14140, 14544, 15857, 16485, 16968, 17584, 18180, 18840, 19782, 21210, 21980, 22608, 24240, 25452, 26376, 28260, 28280, 31714, 31815, 32970, 33936, 36360, 37680, 39564, 42420, 43960, 47571, 49455, 50904, 52752, 56520, 56560, 63428, 63630, 65940, 72720, 79128, 79285, 84840, 87920, 95142, 98910, 101808, 110999, 113040, 126856, 127260, 131880, 142713, 158256, 158570, 169680, 190284, 197820, 221998, 237855, 253712, 254520, 263760, 285426, 317140, 332997, 380568, 395640, 443996, 475710, 509040, 554995, 570852, 634280, 665994, 713565, 761136, 791280, 887992, 951420, 998991, 1109990, 1141704, 1268560, 1331988, 1427130, 1664985, 1775984, 1902840, 1997982, 2219980, 2283408, 2663976, 2854260, 3329970, 3805680, 3995964, 4439960, 4994955, 5327952, 5708520, 6659940, 7991928, 8879920, 9989910, 11417040, 13319880, 15983856, 19979820, 26639760, 39959640, 79919280]

約数ペア:

[(1, 79919280), (2, 39959640), (3, 26639760), (4, 19979820), (5, 15983856), (6, 13319880), (7, 11417040), (8, 9989910), (9, 8879920), (10, 7991928), (12, 6659940), (14, 5708520), (15, 5327952), (16, 4994955), (18, 4439960), (20, 3995964), (21, 3805680), (24, 3329970), (28, 2854260), (30, 2663976), (35, 2283408), (36, 2219980), (40, 1997982), (42, 1902840), (45, 1775984), (48, 1664985), (56, 1427130), (60, 1331988), (63, 1268560), (70, 1141704), (72, 1109990), (80, 998991), (84, 951420), (90, 887992), (101, 791280), (105, 761136), (112, 713565), (120, 665994), (126, 634280), (140, 570852), (144, 554995), (157, 509040), (168, 475710), (180, 443996), (202, 395640), (210, 380568), (240, 332997), (252, 317140), (280, 285426), (303, 263760), (314, 254520), (315, 253712), (336, 237855), (360, 221998), (404, 197820), (420, 190284), (471, 169680), (504, 158570), (505, 158256), (560, 142713), (606, 131880), (628, 127260), (630, 126856), (707, 113040), (720, 110999), (785, 101808), (808, 98910), (840, 95142), (909, 87920), (942, 84840), (1008, 79285), (1010, 79128), (1099, 72720), (1212, 65940), (1256, 63630), (1260, 63428), (1413, 56560), (1414, 56520), (1515, 52752), (1570, 50904), (1616, 49455), (1680, 47571), (1818, 43960), (1884, 42420), (2020, 39564), (2121, 37680), (2198, 36360), (2355, 33936), (2424, 32970), (2512, 31815), (2520, 31714), (2826, 28280), (2828, 28260), (3030, 26376), (3140, 25452), (3297, 24240), (3535, 22608), (3636, 21980), (3768, 21210), (4040, 19782), (4242, 18840), (4396, 18180), (4545, 17584), (4710, 16968), (4848, 16485), (5040, 15857), (5495, 14544), (5652, 14140), (5656, 14130), (6060, 13188), (6280, 12726), (6363, 12560), (6594, 12120), (7065, 11312), (7070, 11304), (7272, 10990), (7536, 10605), (8080, 9891), (8484, 9420), (8792, 9090)]