318388320

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:480

約数の個数: 288

約数和(自身を含む): 1188794880

約数和(自身を除く): 870406560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 243, 270, 285, 288, 304, 324, 342, 360, 380, 405, 431, 432, 456, 480, 486, 513, 540, 570, 608, 648, 684, 720, 760, 810, 855, 862, 864, 912, 972, 1026, 1080, 1140, 1215, 1293, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1724, 1824, 1944, 2052, 2155, 2160, 2280, 2430, 2565, 2586, 2592, 2736, 3040, 3078, 3240, 3420, 3448, 3879, 3888, 4104, 4310, 4320, 4560, 4617, 4860, 5130, 5172, 5472, 6156, 6465, 6480, 6840, 6896, 7695, 7758, 7776, 8189, 8208, 8620, 9120, 9234, 9720, 10260, 10344, 11637, 12312, 12930, 12960, 13680, 13792, 15390, 15516, 16378, 16416, 17240, 18468, 19395, 19440, 20520, 20688, 23085, 23274, 24567, 24624, 25860, 27360, 30780, 31032, 32756, 34480, 34911, 36936, 38790, 38880, 40945, 41040, 41376, 46170, 46548, 49134, 49248, 51720, 58185, 61560, 62064, 65512, 68960, 69822, 73701, 73872, 77580, 81890, 82080, 92340, 93096, 98268, 103440, 104733, 116370, 122835, 123120, 124128, 131024, 139644, 147402, 147744, 155160, 163780, 174555, 184680, 186192, 196536, 206880, 209466, 221103, 232740, 245670, 246240, 262048, 279288, 294804, 310320, 327560, 349110, 368505, 369360, 372384, 393072, 418932, 442206, 465480, 491340, 523665, 558576, 589608, 620640, 655120, 663309, 698220, 737010, 738720, 786144, 837864, 884412, 930960, 982680, 1047330, 1105515, 1117152, 1179216, 1310240, 1326618, 1396440, 1474020, 1675728, 1768824, 1861920, 1965360, 1989927, 2094660, 2211030, 2358432, 2653236, 2792880, 2948040, 3316545, 3351456, 3537648, 3930720, 3979854, 4189320, 4422060, 5306472, 5585760, 5896080, 6633090, 7075296, 7959708, 8378640, 8844120, 9949635, 10612944, 11792160, 13266180, 15919416, 16757280, 17688240, 19899270, 21225888, 26532360, 31838832, 35376480, 39798540, 53064720, 63677664, 79597080, 106129440, 159194160, 318388320]

約数ペア:

[(1, 318388320), (2, 159194160), (3, 106129440), (4, 79597080), (5, 63677664), (6, 53064720), (8, 39798540), (9, 35376480), (10, 31838832), (12, 26532360), (15, 21225888), (16, 19899270), (18, 17688240), (19, 16757280), (20, 15919416), (24, 13266180), (27, 11792160), (30, 10612944), (32, 9949635), (36, 8844120), (38, 8378640), (40, 7959708), (45, 7075296), (48, 6633090), (54, 5896080), (57, 5585760), (60, 5306472), (72, 4422060), (76, 4189320), (80, 3979854), (81, 3930720), (90, 3537648), (95, 3351456), (96, 3316545), (108, 2948040), (114, 2792880), (120, 2653236), (135, 2358432), (144, 2211030), (152, 2094660), (160, 1989927), (162, 1965360), (171, 1861920), (180, 1768824), (190, 1675728), (216, 1474020), (228, 1396440), (240, 1326618), (243, 1310240), (270, 1179216), (285, 1117152), (288, 1105515), (304, 1047330), (324, 982680), (342, 930960), (360, 884412), (380, 837864), (405, 786144), (431, 738720), (432, 737010), (456, 698220), (480, 663309), (486, 655120), (513, 620640), (540, 589608), (570, 558576), (608, 523665), (648, 491340), (684, 465480), (720, 442206), (760, 418932), (810, 393072), (855, 372384), (862, 369360), (864, 368505), (912, 349110), (972, 327560), (1026, 310320), (1080, 294804), (1140, 279288), (1215, 262048), (1293, 246240), (1296, 245670), (1368, 232740), (1440, 221103), (1520, 209466), (1539, 206880), (1620, 196536), (1710, 186192), (1724, 184680), (1824, 174555), (1944, 163780), (2052, 155160), (2155, 147744), (2160, 147402), (2280, 139644), (2430, 131024), (2565, 124128), (2586, 123120), (2592, 122835), (2736, 116370), (3040, 104733), (3078, 103440), (3240, 98268), (3420, 93096), (3448, 92340), (3879, 82080), (3888, 81890), (4104, 77580), (4310, 73872), (4320, 73701), (4560, 69822), (4617, 68960), (4860, 65512), (5130, 62064), (5172, 61560), (5472, 58185), (6156, 51720), (6465, 49248), (6480, 49134), (6840, 46548), (6896, 46170), (7695, 41376), (7758, 41040), (7776, 40945), (8189, 38880), (8208, 38790), (8620, 36936), (9120, 34911), (9234, 34480), (9720, 32756), (10260, 31032), (10344, 30780), (11637, 27360), (12312, 25860), (12930, 24624), (12960, 24567), (13680, 23274), (13792, 23085), (15390, 20688), (15516, 20520), (16378, 19440), (16416, 19395), (17240, 18468)]