123189840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 240

約数和(自身を含む): 444292992

約数和(自身を除く): 321103152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 43, 45, 46, 48, 60, 69, 72, 80, 86, 90, 92, 115, 120, 129, 138, 144, 172, 173, 180, 184, 207, 215, 230, 240, 258, 276, 344, 345, 346, 360, 368, 387, 414, 430, 460, 516, 519, 552, 645, 688, 690, 692, 720, 774, 828, 860, 865, 920, 989, 1032, 1035, 1038, 1104, 1290, 1380, 1384, 1548, 1557, 1656, 1720, 1730, 1840, 1935, 1978, 2064, 2070, 2076, 2580, 2595, 2760, 2768, 2967, 3096, 3114, 3312, 3440, 3460, 3870, 3956, 3979, 4140, 4152, 4945, 5160, 5190, 5520, 5934, 6192, 6228, 6920, 7439, 7740, 7785, 7912, 7958, 8280, 8304, 8901, 9890, 10320, 10380, 11868, 11937, 12456, 13840, 14835, 14878, 15480, 15570, 15824, 15916, 16560, 17802, 19780, 19895, 20760, 22317, 23736, 23874, 24912, 29670, 29756, 30960, 31140, 31832, 35604, 35811, 37195, 39560, 39790, 41520, 44505, 44634, 47472, 47748, 59340, 59512, 59685, 62280, 63664, 66951, 71208, 71622, 74390, 79120, 79580, 89010, 89268, 95496, 111585, 118680, 119024, 119370, 124560, 133902, 142416, 143244, 148780, 159160, 171097, 178020, 178536, 179055, 190992, 223170, 237360, 238740, 267804, 286488, 297560, 318320, 334755, 342194, 356040, 357072, 358110, 446340, 477480, 513291, 535608, 572976, 595120, 669510, 684388, 712080, 716220, 855485, 892680, 954960, 1026582, 1071216, 1339020, 1368776, 1432440, 1539873, 1710970, 1785360, 2053164, 2566455, 2678040, 2737552, 2864880, 3079746, 3421940, 4106328, 5132910, 5356080, 6159492, 6843880, 7699365, 8212656, 10265820, 12318984, 13687760, 15398730, 20531640, 24637968, 30797460, 41063280, 61594920, 123189840]

約数ペア:

[(1, 123189840), (2, 61594920), (3, 41063280), (4, 30797460), (5, 24637968), (6, 20531640), (8, 15398730), (9, 13687760), (10, 12318984), (12, 10265820), (15, 8212656), (16, 7699365), (18, 6843880), (20, 6159492), (23, 5356080), (24, 5132910), (30, 4106328), (36, 3421940), (40, 3079746), (43, 2864880), (45, 2737552), (46, 2678040), (48, 2566455), (60, 2053164), (69, 1785360), (72, 1710970), (80, 1539873), (86, 1432440), (90, 1368776), (92, 1339020), (115, 1071216), (120, 1026582), (129, 954960), (138, 892680), (144, 855485), (172, 716220), (173, 712080), (180, 684388), (184, 669510), (207, 595120), (215, 572976), (230, 535608), (240, 513291), (258, 477480), (276, 446340), (344, 358110), (345, 357072), (346, 356040), (360, 342194), (368, 334755), (387, 318320), (414, 297560), (430, 286488), (460, 267804), (516, 238740), (519, 237360), (552, 223170), (645, 190992), (688, 179055), (690, 178536), (692, 178020), (720, 171097), (774, 159160), (828, 148780), (860, 143244), (865, 142416), (920, 133902), (989, 124560), (1032, 119370), (1035, 119024), (1038, 118680), (1104, 111585), (1290, 95496), (1380, 89268), (1384, 89010), (1548, 79580), (1557, 79120), (1656, 74390), (1720, 71622), (1730, 71208), (1840, 66951), (1935, 63664), (1978, 62280), (2064, 59685), (2070, 59512), (2076, 59340), (2580, 47748), (2595, 47472), (2760, 44634), (2768, 44505), (2967, 41520), (3096, 39790), (3114, 39560), (3312, 37195), (3440, 35811), (3460, 35604), (3870, 31832), (3956, 31140), (3979, 30960), (4140, 29756), (4152, 29670), (4945, 24912), (5160, 23874), (5190, 23736), (5520, 22317), (5934, 20760), (6192, 19895), (6228, 19780), (6920, 17802), (7439, 16560), (7740, 15916), (7785, 15824), (7912, 15570), (7958, 15480), (8280, 14878), (8304, 14835), (8901, 13840), (9890, 12456), (10320, 11937), (10380, 11868)]