388779720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1787}}^1$

素因数の和:1852

約数の個数: 192

約数和(自身を含む): 1394210880

約数和(自身を除く): 1005431160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 49, 56, 60, 70, 74, 84, 98, 105, 111, 120, 140, 147, 148, 168, 185, 196, 210, 222, 245, 259, 280, 294, 296, 370, 392, 420, 444, 490, 518, 555, 588, 735, 740, 777, 840, 888, 980, 1036, 1110, 1176, 1295, 1470, 1480, 1554, 1787, 1813, 1960, 2072, 2220, 2590, 2940, 3108, 3574, 3626, 3885, 4440, 5180, 5361, 5439, 5880, 6216, 7148, 7252, 7770, 8935, 9065, 10360, 10722, 10878, 12509, 14296, 14504, 15540, 17870, 18130, 21444, 21756, 25018, 26805, 27195, 31080, 35740, 36260, 37527, 42888, 43512, 50036, 53610, 54390, 62545, 66119, 71480, 72520, 75054, 87563, 100072, 107220, 108780, 125090, 132238, 150108, 175126, 187635, 198357, 214440, 217560, 250180, 262689, 264476, 300216, 330595, 350252, 375270, 396714, 437815, 462833, 500360, 525378, 528952, 661190, 700504, 750540, 793428, 875630, 925666, 991785, 1050756, 1313445, 1322380, 1388499, 1501080, 1586856, 1751260, 1851332, 1983570, 2101512, 2314165, 2626890, 2644760, 2776998, 3239831, 3502520, 3702664, 3967140, 4628330, 5253780, 5553996, 6479662, 6942495, 7934280, 9256660, 9719493, 10507560, 11107992, 12959324, 13884990, 16199155, 18513320, 19438986, 25918648, 27769980, 32398310, 38877972, 48597465, 55539960, 64796620, 77755944, 97194930, 129593240, 194389860, 388779720]

約数ペア:

[(1, 388779720), (2, 194389860), (3, 129593240), (4, 97194930), (5, 77755944), (6, 64796620), (7, 55539960), (8, 48597465), (10, 38877972), (12, 32398310), (14, 27769980), (15, 25918648), (20, 19438986), (21, 18513320), (24, 16199155), (28, 13884990), (30, 12959324), (35, 11107992), (37, 10507560), (40, 9719493), (42, 9256660), (49, 7934280), (56, 6942495), (60, 6479662), (70, 5553996), (74, 5253780), (84, 4628330), (98, 3967140), (105, 3702664), (111, 3502520), (120, 3239831), (140, 2776998), (147, 2644760), (148, 2626890), (168, 2314165), (185, 2101512), (196, 1983570), (210, 1851332), (222, 1751260), (245, 1586856), (259, 1501080), (280, 1388499), (294, 1322380), (296, 1313445), (370, 1050756), (392, 991785), (420, 925666), (444, 875630), (490, 793428), (518, 750540), (555, 700504), (588, 661190), (735, 528952), (740, 525378), (777, 500360), (840, 462833), (888, 437815), (980, 396714), (1036, 375270), (1110, 350252), (1176, 330595), (1295, 300216), (1470, 264476), (1480, 262689), (1554, 250180), (1787, 217560), (1813, 214440), (1960, 198357), (2072, 187635), (2220, 175126), (2590, 150108), (2940, 132238), (3108, 125090), (3574, 108780), (3626, 107220), (3885, 100072), (4440, 87563), (5180, 75054), (5361, 72520), (5439, 71480), (5880, 66119), (6216, 62545), (7148, 54390), (7252, 53610), (7770, 50036), (8935, 43512), (9065, 42888), (10360, 37527), (10722, 36260), (10878, 35740), (12509, 31080), (14296, 27195), (14504, 26805), (15540, 25018), (17870, 21756), (18130, 21444)]