248292840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 764588160

約数和(自身を除く): 516295320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 97, 120, 166, 194, 249, 257, 291, 332, 388, 415, 485, 498, 514, 582, 664, 771, 776, 830, 970, 996, 1028, 1164, 1245, 1285, 1455, 1542, 1660, 1940, 1992, 2056, 2328, 2490, 2570, 2910, 3084, 3320, 3855, 3880, 4980, 5140, 5820, 6168, 7710, 8051, 9960, 10280, 11640, 15420, 16102, 21331, 24153, 24929, 30840, 32204, 40255, 42662, 48306, 49858, 63993, 64408, 74787, 80510, 85324, 96612, 99716, 106655, 120765, 124645, 127986, 149574, 161020, 170648, 193224, 199432, 213310, 241530, 249290, 255972, 299148, 319965, 322040, 373935, 426620, 483060, 498580, 511944, 598296, 639930, 747870, 853240, 966120, 997160, 1279860, 1495740, 2069107, 2559720, 2991480, 4138214, 6207321, 8276428, 10345535, 12414642, 16552856, 20691070, 24829284, 31036605, 41382140, 49658568, 62073210, 82764280, 124146420, 248292840]

約数ペア:

[(1, 248292840), (2, 124146420), (3, 82764280), (4, 62073210), (5, 49658568), (6, 41382140), (8, 31036605), (10, 24829284), (12, 20691070), (15, 16552856), (20, 12414642), (24, 10345535), (30, 8276428), (40, 6207321), (60, 4138214), (83, 2991480), (97, 2559720), (120, 2069107), (166, 1495740), (194, 1279860), (249, 997160), (257, 966120), (291, 853240), (332, 747870), (388, 639930), (415, 598296), (485, 511944), (498, 498580), (514, 483060), (582, 426620), (664, 373935), (771, 322040), (776, 319965), (830, 299148), (970, 255972), (996, 249290), (1028, 241530), (1164, 213310), (1245, 199432), (1285, 193224), (1455, 170648), (1542, 161020), (1660, 149574), (1940, 127986), (1992, 124645), (2056, 120765), (2328, 106655), (2490, 99716), (2570, 96612), (2910, 85324), (3084, 80510), (3320, 74787), (3855, 64408), (3880, 63993), (4980, 49858), (5140, 48306), (5820, 42662), (6168, 40255), (7710, 32204), (8051, 30840), (9960, 24929), (10280, 24153), (11640, 21331), (15420, 16102)]