78459240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:523

約数の個数: 128

約数和(自身を含む): 248209920

約数和(自身を除く): 169750680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 41, 60, 74, 82, 111, 120, 123, 148, 164, 185, 205, 222, 246, 296, 328, 370, 410, 431, 444, 492, 555, 615, 740, 820, 862, 888, 984, 1110, 1230, 1293, 1480, 1517, 1640, 1724, 2155, 2220, 2460, 2586, 3034, 3448, 4310, 4440, 4551, 4920, 5172, 6068, 6465, 7585, 8620, 9102, 10344, 12136, 12930, 15170, 15947, 17240, 17671, 18204, 22755, 25860, 30340, 31894, 35342, 36408, 45510, 47841, 51720, 53013, 60680, 63788, 70684, 79735, 88355, 91020, 95682, 106026, 127576, 141368, 159470, 176710, 182040, 191364, 212052, 239205, 265065, 318940, 353420, 382728, 424104, 478410, 530130, 637880, 653827, 706840, 956820, 1060260, 1307654, 1913640, 1961481, 2120520, 2615308, 3269135, 3922962, 5230616, 6538270, 7845924, 9807405, 13076540, 15691848, 19614810, 26153080, 39229620, 78459240]

約数ペア:

[(1, 78459240), (2, 39229620), (3, 26153080), (4, 19614810), (5, 15691848), (6, 13076540), (8, 9807405), (10, 7845924), (12, 6538270), (15, 5230616), (20, 3922962), (24, 3269135), (30, 2615308), (37, 2120520), (40, 1961481), (41, 1913640), (60, 1307654), (74, 1060260), (82, 956820), (111, 706840), (120, 653827), (123, 637880), (148, 530130), (164, 478410), (185, 424104), (205, 382728), (222, 353420), (246, 318940), (296, 265065), (328, 239205), (370, 212052), (410, 191364), (431, 182040), (444, 176710), (492, 159470), (555, 141368), (615, 127576), (740, 106026), (820, 95682), (862, 91020), (888, 88355), (984, 79735), (1110, 70684), (1230, 63788), (1293, 60680), (1480, 53013), (1517, 51720), (1640, 47841), (1724, 45510), (2155, 36408), (2220, 35342), (2460, 31894), (2586, 30340), (3034, 25860), (3448, 22755), (4310, 18204), (4440, 17671), (4551, 17240), (4920, 15947), (5172, 15170), (6068, 12930), (6465, 12136), (7585, 10344), (8620, 9102)]