1247400

素因数分解:

$2^3\times 3^4\times 5^2\times 7^1\times {\mathrm{11}}^1$

素因数の和:46

約数の個数: 240

約数和(自身を含む): 5401440

約数和(自身を除く): 4154040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 25, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 50, 54, 55, 56, 60, 63, 66, 70, 72, 75, 77, 81, 84, 88, 90, 99, 100, 105, 108, 110, 120, 126, 132, 135, 140, 150, 154, 162, 165, 168, 175, 180, 189, 198, 200, 210, 216, 220, 225, 231, 252, 264, 270, 275, 280, 297, 300, 308, 315, 324, 330, 350, 360, 378, 385, 396, 405, 420, 440, 450, 462, 495, 504, 525, 540, 550, 567, 594, 600, 616, 630, 648, 660, 675, 693, 700, 756, 770, 792, 810, 825, 840, 891, 900, 924, 945, 990, 1050, 1080, 1100, 1134, 1155, 1188, 1260, 1320, 1350, 1386, 1400, 1485, 1512, 1540, 1575, 1620, 1650, 1782, 1800, 1848, 1890, 1925, 1980, 2025, 2079, 2100, 2200, 2268, 2310, 2376, 2475, 2520, 2700, 2772, 2835, 2970, 3080, 3150, 3240, 3300, 3465, 3564, 3780, 3850, 3960, 4050, 4158, 4200, 4455, 4536, 4620, 4725, 4950, 5400, 5544, 5670, 5775, 5940, 6237, 6300, 6600, 6930, 7128, 7425, 7560, 7700, 8100, 8316, 8910, 9240, 9450, 9900, 10395, 11340, 11550, 11880, 12474, 12600, 13860, 14175, 14850, 15400, 16200, 16632, 17325, 17820, 18900, 19800, 20790, 22275, 22680, 23100, 24948, 27720, 28350, 29700, 31185, 34650, 35640, 37800, 41580, 44550, 46200, 49896, 51975, 56700, 59400, 62370, 69300, 83160, 89100, 103950, 113400, 124740, 138600, 155925, 178200, 207900, 249480, 311850, 415800, 623700, 1247400]

約数ペア:

[(1, 1247400), (2, 623700), (3, 415800), (4, 311850), (5, 249480), (6, 207900), (7, 178200), (8, 155925), (9, 138600), (10, 124740), (11, 113400), (12, 103950), (14, 89100), (15, 83160), (18, 69300), (20, 62370), (21, 59400), (22, 56700), (24, 51975), (25, 49896), (27, 46200), (28, 44550), (30, 41580), (33, 37800), (35, 35640), (36, 34650), (40, 31185), (42, 29700), (44, 28350), (45, 27720), (50, 24948), (54, 23100), (55, 22680), (56, 22275), (60, 20790), (63, 19800), (66, 18900), (70, 17820), (72, 17325), (75, 16632), (77, 16200), (81, 15400), (84, 14850), (88, 14175), (90, 13860), (99, 12600), (100, 12474), (105, 11880), (108, 11550), (110, 11340), (120, 10395), (126, 9900), (132, 9450), (135, 9240), (140, 8910), (150, 8316), (154, 8100), (162, 7700), (165, 7560), (168, 7425), (175, 7128), (180, 6930), (189, 6600), (198, 6300), (200, 6237), (210, 5940), (216, 5775), (220, 5670), (225, 5544), (231, 5400), (252, 4950), (264, 4725), (270, 4620), (275, 4536), (280, 4455), (297, 4200), (300, 4158), (308, 4050), (315, 3960), (324, 3850), (330, 3780), (350, 3564), (360, 3465), (378, 3300), (385, 3240), (396, 3150), (405, 3080), (420, 2970), (440, 2835), (450, 2772), (462, 2700), (495, 2520), (504, 2475), (525, 2376), (540, 2310), (550, 2268), (567, 2200), (594, 2100), (600, 2079), (616, 2025), (630, 1980), (648, 1925), (660, 1890), (675, 1848), (693, 1800), (700, 1782), (756, 1650), (770, 1620), (792, 1575), (810, 1540), (825, 1512), (840, 1485), (891, 1400), (900, 1386), (924, 1350), (945, 1320), (990, 1260), (1050, 1188), (1080, 1155), (1100, 1134)]