123239520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:166

約数の個数: 216

約数和(自身を含む): 446151888

約数和(自身を除く): 322912368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 61, 69, 72, 80, 90, 92, 96, 115, 120, 122, 138, 144, 160, 180, 183, 184, 207, 230, 240, 244, 276, 288, 305, 345, 360, 366, 368, 414, 460, 480, 488, 549, 552, 610, 690, 720, 732, 736, 828, 915, 920, 976, 1035, 1098, 1104, 1220, 1380, 1403, 1440, 1464, 1656, 1830, 1840, 1952, 2070, 2196, 2208, 2440, 2745, 2760, 2806, 2928, 3312, 3660, 3680, 3721, 4140, 4209, 4392, 4880, 5490, 5520, 5612, 5856, 6624, 7015, 7320, 7442, 8280, 8418, 8784, 9760, 10980, 11040, 11163, 11224, 12627, 14030, 14640, 14884, 16560, 16836, 17568, 18605, 21045, 21960, 22326, 22448, 25254, 28060, 29280, 29768, 33120, 33489, 33672, 37210, 42090, 43920, 44652, 44896, 50508, 55815, 56120, 59536, 63135, 66978, 67344, 74420, 84180, 85583, 87840, 89304, 101016, 111630, 112240, 119072, 126270, 133956, 134688, 148840, 167445, 168360, 171166, 178608, 202032, 223260, 224480, 252540, 256749, 267912, 297680, 334890, 336720, 342332, 357216, 404064, 427915, 446520, 505080, 513498, 535824, 595360, 669780, 673440, 684664, 770247, 855830, 893040, 1010160, 1026996, 1071648, 1283745, 1339560, 1369328, 1540494, 1711660, 1786080, 2020320, 2053992, 2567490, 2679120, 2738656, 3080988, 3423320, 3851235, 4107984, 5134980, 5358240, 6161976, 6846640, 7702470, 8215968, 10269960, 12323952, 13693280, 15404940, 20539920, 24647904, 30809880, 41079840, 61619760, 123239520]

約数ペア:

[(1, 123239520), (2, 61619760), (3, 41079840), (4, 30809880), (5, 24647904), (6, 20539920), (8, 15404940), (9, 13693280), (10, 12323952), (12, 10269960), (15, 8215968), (16, 7702470), (18, 6846640), (20, 6161976), (23, 5358240), (24, 5134980), (30, 4107984), (32, 3851235), (36, 3423320), (40, 3080988), (45, 2738656), (46, 2679120), (48, 2567490), (60, 2053992), (61, 2020320), (69, 1786080), (72, 1711660), (80, 1540494), (90, 1369328), (92, 1339560), (96, 1283745), (115, 1071648), (120, 1026996), (122, 1010160), (138, 893040), (144, 855830), (160, 770247), (180, 684664), (183, 673440), (184, 669780), (207, 595360), (230, 535824), (240, 513498), (244, 505080), (276, 446520), (288, 427915), (305, 404064), (345, 357216), (360, 342332), (366, 336720), (368, 334890), (414, 297680), (460, 267912), (480, 256749), (488, 252540), (549, 224480), (552, 223260), (610, 202032), (690, 178608), (720, 171166), (732, 168360), (736, 167445), (828, 148840), (915, 134688), (920, 133956), (976, 126270), (1035, 119072), (1098, 112240), (1104, 111630), (1220, 101016), (1380, 89304), (1403, 87840), (1440, 85583), (1464, 84180), (1656, 74420), (1830, 67344), (1840, 66978), (1952, 63135), (2070, 59536), (2196, 56120), (2208, 55815), (2440, 50508), (2745, 44896), (2760, 44652), (2806, 43920), (2928, 42090), (3312, 37210), (3660, 33672), (3680, 33489), (3721, 33120), (4140, 29768), (4209, 29280), (4392, 28060), (4880, 25254), (5490, 22448), (5520, 22326), (5612, 21960), (5856, 21045), (6624, 18605), (7015, 17568), (7320, 16836), (7442, 16560), (8280, 14884), (8418, 14640), (8784, 14030), (9760, 12627), (10980, 11224), (11040, 11163)]