74879280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:288

約数の個数: 240

約数和(自身を含む): 292481280

約数和(自身を除く): 217602000

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, 83, 84, 90, 105, 112, 120, 126, 140, 144, 166, 168, 179, 180, 210, 240, 249, 252, 280, 315, 332, 336, 358, 360, 415, 420, 498, 504, 537, 560, 581, 630, 664, 716, 720, 747, 830, 840, 895, 996, 1008, 1074, 1162, 1245, 1253, 1260, 1328, 1432, 1494, 1611, 1660, 1680, 1743, 1790, 1992, 2148, 2324, 2490, 2506, 2520, 2685, 2864, 2905, 2988, 3222, 3320, 3486, 3580, 3735, 3759, 3984, 4296, 4648, 4980, 5012, 5040, 5229, 5370, 5810, 5976, 6265, 6444, 6640, 6972, 7160, 7470, 7518, 8055, 8592, 8715, 9296, 9960, 10024, 10458, 10740, 11277, 11620, 11952, 12530, 12888, 13944, 14320, 14857, 14940, 15036, 16110, 17430, 18795, 19920, 20048, 20916, 21480, 22554, 23240, 25060, 25776, 26145, 27888, 29714, 29880, 30072, 32220, 34860, 37590, 41832, 42960, 44571, 45108, 46480, 50120, 52290, 56385, 59428, 59760, 60144, 64440, 69720, 74285, 75180, 83664, 89142, 90216, 100240, 103999, 104580, 112770, 118856, 128880, 133713, 139440, 148570, 150360, 178284, 180432, 207998, 209160, 222855, 225540, 237712, 267426, 297140, 300720, 311997, 356568, 415996, 418320, 445710, 451080, 519995, 534852, 594280, 623994, 668565, 713136, 831992, 891420, 902160, 935991, 1039990, 1069704, 1188560, 1247988, 1337130, 1559985, 1663984, 1782840, 1871982, 2079980, 2139408, 2495976, 2674260, 3119970, 3565680, 3743964, 4159960, 4679955, 4991952, 5348520, 6239940, 7487928, 8319920, 9359910, 10697040, 12479880, 14975856, 18719820, 24959760, 37439640, 74879280]

約数ペア:

[(1, 74879280), (2, 37439640), (3, 24959760), (4, 18719820), (5, 14975856), (6, 12479880), (7, 10697040), (8, 9359910), (9, 8319920), (10, 7487928), (12, 6239940), (14, 5348520), (15, 4991952), (16, 4679955), (18, 4159960), (20, 3743964), (21, 3565680), (24, 3119970), (28, 2674260), (30, 2495976), (35, 2139408), (36, 2079980), (40, 1871982), (42, 1782840), (45, 1663984), (48, 1559985), (56, 1337130), (60, 1247988), (63, 1188560), (70, 1069704), (72, 1039990), (80, 935991), (83, 902160), (84, 891420), (90, 831992), (105, 713136), (112, 668565), (120, 623994), (126, 594280), (140, 534852), (144, 519995), (166, 451080), (168, 445710), (179, 418320), (180, 415996), (210, 356568), (240, 311997), (249, 300720), (252, 297140), (280, 267426), (315, 237712), (332, 225540), (336, 222855), (358, 209160), (360, 207998), (415, 180432), (420, 178284), (498, 150360), (504, 148570), (537, 139440), (560, 133713), (581, 128880), (630, 118856), (664, 112770), (716, 104580), (720, 103999), (747, 100240), (830, 90216), (840, 89142), (895, 83664), (996, 75180), (1008, 74285), (1074, 69720), (1162, 64440), (1245, 60144), (1253, 59760), (1260, 59428), (1328, 56385), (1432, 52290), (1494, 50120), (1611, 46480), (1660, 45108), (1680, 44571), (1743, 42960), (1790, 41832), (1992, 37590), (2148, 34860), (2324, 32220), (2490, 30072), (2506, 29880), (2520, 29714), (2685, 27888), (2864, 26145), (2905, 25776), (2988, 25060), (3222, 23240), (3320, 22554), (3486, 21480), (3580, 20916), (3735, 20048), (3759, 19920), (3984, 18795), (4296, 17430), (4648, 16110), (4980, 15036), (5012, 14940), (5040, 14857), (5229, 14320), (5370, 13944), (5810, 12888), (5976, 12530), (6265, 11952), (6444, 11620), (6640, 11277), (6972, 10740), (7160, 10458), (7470, 10024), (7518, 9960), (8055, 9296), (8592, 8715)]