26720280

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2749}}^1$

素因数の和:2775

約数の個数: 96

約数和(自身を含む): 90090000

約数和(自身を除く): 63369720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 2749, 3240, 4860, 5498, 8247, 9720, 10996, 13745, 16494, 21992, 24741, 27490, 32988, 41235, 49482, 54980, 65976, 74223, 82470, 98964, 109960, 123705, 148446, 164940, 197928, 222669, 247410, 296892, 329880, 371115, 445338, 494820, 593784, 668007, 742230, 890676, 989640, 1113345, 1336014, 1484460, 1781352, 2226690, 2672028, 2968920, 3340035, 4453380, 5344056, 6680070, 8906760, 13360140, 26720280]

約数ペア:

[(1, 26720280), (2, 13360140), (3, 8906760), (4, 6680070), (5, 5344056), (6, 4453380), (8, 3340035), (9, 2968920), (10, 2672028), (12, 2226690), (15, 1781352), (18, 1484460), (20, 1336014), (24, 1113345), (27, 989640), (30, 890676), (36, 742230), (40, 668007), (45, 593784), (54, 494820), (60, 445338), (72, 371115), (81, 329880), (90, 296892), (108, 247410), (120, 222669), (135, 197928), (162, 164940), (180, 148446), (216, 123705), (243, 109960), (270, 98964), (324, 82470), (360, 74223), (405, 65976), (486, 54980), (540, 49482), (648, 41235), (810, 32988), (972, 27490), (1080, 24741), (1215, 21992), (1620, 16494), (1944, 13745), (2430, 10996), (2749, 9720), (3240, 8247), (4860, 5498)]