247247640

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 224

約数和(自身を含む): 853851600

約数和(自身を除く): 606603960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 81, 90, 108, 120, 122, 135, 139, 162, 180, 183, 216, 243, 244, 270, 278, 305, 324, 360, 366, 405, 417, 486, 488, 540, 549, 556, 610, 648, 695, 729, 732, 810, 834, 915, 972, 1080, 1098, 1112, 1215, 1220, 1251, 1390, 1458, 1464, 1620, 1647, 1668, 1830, 1944, 2085, 2196, 2430, 2440, 2502, 2745, 2780, 2916, 3240, 3294, 3336, 3645, 3660, 3753, 4170, 4392, 4860, 4941, 5004, 5490, 5560, 5832, 6255, 6588, 7290, 7320, 7506, 8235, 8340, 8479, 9720, 9882, 10008, 10980, 11259, 12510, 13176, 14580, 14823, 15012, 16470, 16680, 16958, 18765, 19764, 21960, 22518, 24705, 25020, 25437, 29160, 29646, 30024, 32940, 33777, 33916, 37530, 39528, 42395, 44469, 45036, 49410, 50040, 50874, 56295, 59292, 65880, 67554, 67832, 74115, 75060, 76311, 84790, 88938, 90072, 98820, 101331, 101748, 112590, 118584, 127185, 135108, 148230, 150120, 152622, 168885, 169580, 177876, 197640, 202662, 203496, 222345, 225180, 228933, 254370, 270216, 296460, 305244, 337770, 339160, 355752, 381555, 405324, 444690, 450360, 457866, 506655, 508740, 592920, 610488, 675540, 686799, 763110, 810648, 889380, 915732, 1013310, 1017480, 1144665, 1351080, 1373598, 1526220, 1778760, 1831464, 2026620, 2060397, 2289330, 2747196, 3052440, 3433995, 4053240, 4120794, 4578660, 5494392, 6181191, 6867990, 8241588, 9157320, 10301985, 12362382, 13735980, 16483176, 20603970, 24724764, 27471960, 30905955, 41207940, 49449528, 61811910, 82415880, 123623820, 247247640]

約数ペア:

[(1, 247247640), (2, 123623820), (3, 82415880), (4, 61811910), (5, 49449528), (6, 41207940), (8, 30905955), (9, 27471960), (10, 24724764), (12, 20603970), (15, 16483176), (18, 13735980), (20, 12362382), (24, 10301985), (27, 9157320), (30, 8241588), (36, 6867990), (40, 6181191), (45, 5494392), (54, 4578660), (60, 4120794), (61, 4053240), (72, 3433995), (81, 3052440), (90, 2747196), (108, 2289330), (120, 2060397), (122, 2026620), (135, 1831464), (139, 1778760), (162, 1526220), (180, 1373598), (183, 1351080), (216, 1144665), (243, 1017480), (244, 1013310), (270, 915732), (278, 889380), (305, 810648), (324, 763110), (360, 686799), (366, 675540), (405, 610488), (417, 592920), (486, 508740), (488, 506655), (540, 457866), (549, 450360), (556, 444690), (610, 405324), (648, 381555), (695, 355752), (729, 339160), (732, 337770), (810, 305244), (834, 296460), (915, 270216), (972, 254370), (1080, 228933), (1098, 225180), (1112, 222345), (1215, 203496), (1220, 202662), (1251, 197640), (1390, 177876), (1458, 169580), (1464, 168885), (1620, 152622), (1647, 150120), (1668, 148230), (1830, 135108), (1944, 127185), (2085, 118584), (2196, 112590), (2430, 101748), (2440, 101331), (2502, 98820), (2745, 90072), (2780, 88938), (2916, 84790), (3240, 76311), (3294, 75060), (3336, 74115), (3645, 67832), (3660, 67554), (3753, 65880), (4170, 59292), (4392, 56295), (4860, 50874), (4941, 50040), (5004, 49410), (5490, 45036), (5560, 44469), (5832, 42395), (6255, 39528), (6588, 37530), (7290, 33916), (7320, 33777), (7506, 32940), (8235, 30024), (8340, 29646), (8479, 29160), (9720, 25437), (9882, 25020), (10008, 24705), (10980, 22518), (11259, 21960), (12510, 19764), (13176, 18765), (14580, 16958), (14823, 16680), (15012, 16470)]