521170020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:907

約数の個数: 288

約数和(自身を含む): 1981324800

約数和(自身を除く): 1460154780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 29, 30, 34, 35, 36, 42, 45, 51, 58, 60, 63, 68, 70, 84, 85, 87, 90, 102, 105, 116, 119, 126, 140, 145, 153, 170, 174, 180, 203, 204, 210, 238, 252, 255, 261, 290, 306, 315, 340, 348, 357, 406, 420, 435, 476, 493, 510, 522, 580, 595, 609, 612, 630, 714, 765, 812, 839, 870, 986, 1015, 1020, 1044, 1071, 1190, 1218, 1260, 1305, 1428, 1479, 1530, 1678, 1740, 1785, 1827, 1972, 2030, 2142, 2380, 2436, 2465, 2517, 2610, 2958, 3045, 3060, 3356, 3451, 3570, 3654, 4060, 4195, 4284, 4437, 4930, 5034, 5220, 5355, 5873, 5916, 6090, 6902, 7140, 7308, 7395, 7551, 8390, 8874, 9135, 9860, 10068, 10353, 10710, 11746, 12180, 12585, 13804, 14263, 14790, 15102, 16780, 17255, 17619, 17748, 18270, 20706, 21420, 22185, 23492, 24331, 25170, 28526, 29365, 29580, 30204, 31059, 34510, 35238, 36540, 37755, 41412, 42789, 44370, 48662, 50340, 51765, 52857, 57052, 58730, 62118, 69020, 70476, 71315, 72993, 75510, 85578, 88095, 88740, 97324, 99841, 103530, 105714, 117460, 121655, 124236, 128367, 142630, 145986, 151020, 155295, 170317, 171156, 176190, 199682, 207060, 211428, 213945, 218979, 243310, 256734, 264285, 285260, 291972, 299523, 310590, 340634, 352380, 364965, 399364, 413627, 427890, 437958, 486620, 499205, 510951, 513468, 528570, 599046, 621180, 641835, 681268, 729930, 827254, 851585, 855780, 875916, 898569, 998410, 1021902, 1057140, 1094895, 1198092, 1240881, 1283670, 1459860, 1497615, 1532853, 1654508, 1703170, 1797138, 1996820, 2043804, 2068135, 2189790, 2481762, 2554755, 2567340, 2895389, 2995230, 3065706, 3406340, 3594276, 3722643, 4136270, 4379580, 4492845, 4963524, 5109510, 5790778, 5990460, 6131412, 6204405, 7445286, 7664265, 8272540, 8686167, 8985690, 10219020, 11581556, 12408810, 14476945, 14890572, 15328530, 17372334, 17971380, 18613215, 24817620, 26058501, 28953890, 30657060, 34744668, 37226430, 43430835, 52117002, 57907780, 74452860, 86861670, 104234004, 130292505, 173723340, 260585010, 521170020]

約数ペア:

[(1, 521170020), (2, 260585010), (3, 173723340), (4, 130292505), (5, 104234004), (6, 86861670), (7, 74452860), (9, 57907780), (10, 52117002), (12, 43430835), (14, 37226430), (15, 34744668), (17, 30657060), (18, 28953890), (20, 26058501), (21, 24817620), (28, 18613215), (29, 17971380), (30, 17372334), (34, 15328530), (35, 14890572), (36, 14476945), (42, 12408810), (45, 11581556), (51, 10219020), (58, 8985690), (60, 8686167), (63, 8272540), (68, 7664265), (70, 7445286), (84, 6204405), (85, 6131412), (87, 5990460), (90, 5790778), (102, 5109510), (105, 4963524), (116, 4492845), (119, 4379580), (126, 4136270), (140, 3722643), (145, 3594276), (153, 3406340), (170, 3065706), (174, 2995230), (180, 2895389), (203, 2567340), (204, 2554755), (210, 2481762), (238, 2189790), (252, 2068135), (255, 2043804), (261, 1996820), (290, 1797138), (306, 1703170), (315, 1654508), (340, 1532853), (348, 1497615), (357, 1459860), (406, 1283670), (420, 1240881), (435, 1198092), (476, 1094895), (493, 1057140), (510, 1021902), (522, 998410), (580, 898569), (595, 875916), (609, 855780), (612, 851585), (630, 827254), (714, 729930), (765, 681268), (812, 641835), (839, 621180), (870, 599046), (986, 528570), (1015, 513468), (1020, 510951), (1044, 499205), (1071, 486620), (1190, 437958), (1218, 427890), (1260, 413627), (1305, 399364), (1428, 364965), (1479, 352380), (1530, 340634), (1678, 310590), (1740, 299523), (1785, 291972), (1827, 285260), (1972, 264285), (2030, 256734), (2142, 243310), (2380, 218979), (2436, 213945), (2465, 211428), (2517, 207060), (2610, 199682), (2958, 176190), (3045, 171156), (3060, 170317), (3356, 155295), (3451, 151020), (3570, 145986), (3654, 142630), (4060, 128367), (4195, 124236), (4284, 121655), (4437, 117460), (4930, 105714), (5034, 103530), (5220, 99841), (5355, 97324), (5873, 88740), (5916, 88095), (6090, 85578), (6902, 75510), (7140, 72993), (7308, 71315), (7395, 70476), (7551, 69020), (8390, 62118), (8874, 58730), (9135, 57052), (9860, 52857), (10068, 51765), (10353, 50340), (10710, 48662), (11746, 44370), (12180, 42789), (12585, 41412), (13804, 37755), (14263, 36540), (14790, 35238), (15102, 34510), (16780, 31059), (17255, 30204), (17619, 29580), (17748, 29365), (18270, 28526), (20706, 25170), (21420, 24331), (22185, 23492)]