79938720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1355

約数の個数: 144

約数和(自身を含む): 279351072

約数和(自身を除く): 199412352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1291, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 2582, 3096, 3440, 3870, 3873, 4128, 5160, 5164, 6192, 6455, 6880, 7740, 7746, 10320, 10328, 11619, 12384, 12910, 15480, 15492, 19365, 20640, 20656, 23238, 25820, 30960, 30984, 38730, 41312, 46476, 51640, 55513, 58095, 61920, 61968, 77460, 92952, 103280, 111026, 116190, 123936, 154920, 166539, 185904, 206560, 222052, 232380, 277565, 309840, 333078, 371808, 444104, 464760, 499617, 555130, 619680, 666156, 832695, 888208, 929520, 999234, 1110260, 1332312, 1665390, 1776416, 1859040, 1998468, 2220520, 2498085, 2664624, 3330780, 3996936, 4441040, 4996170, 5329248, 6661560, 7993872, 8882080, 9992340, 13323120, 15987744, 19984680, 26646240, 39969360, 79938720]

約数ペア:

[(1, 79938720), (2, 39969360), (3, 26646240), (4, 19984680), (5, 15987744), (6, 13323120), (8, 9992340), (9, 8882080), (10, 7993872), (12, 6661560), (15, 5329248), (16, 4996170), (18, 4441040), (20, 3996936), (24, 3330780), (30, 2664624), (32, 2498085), (36, 2220520), (40, 1998468), (43, 1859040), (45, 1776416), (48, 1665390), (60, 1332312), (72, 1110260), (80, 999234), (86, 929520), (90, 888208), (96, 832695), (120, 666156), (129, 619680), (144, 555130), (160, 499617), (172, 464760), (180, 444104), (215, 371808), (240, 333078), (258, 309840), (288, 277565), (344, 232380), (360, 222052), (387, 206560), (430, 185904), (480, 166539), (516, 154920), (645, 123936), (688, 116190), (720, 111026), (774, 103280), (860, 92952), (1032, 77460), (1290, 61968), (1291, 61920), (1376, 58095), (1440, 55513), (1548, 51640), (1720, 46476), (1935, 41312), (2064, 38730), (2580, 30984), (2582, 30960), (3096, 25820), (3440, 23238), (3870, 20656), (3873, 20640), (4128, 19365), (5160, 15492), (5164, 15480), (6192, 12910), (6455, 12384), (6880, 11619), (7740, 10328), (7746, 10320)]