83221880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 228182400

約数和(自身を除く): 144960520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 37, 40, 56, 58, 70, 74, 116, 140, 145, 148, 185, 203, 232, 259, 277, 280, 290, 296, 370, 406, 518, 554, 580, 740, 812, 1015, 1036, 1073, 1108, 1160, 1295, 1385, 1480, 1624, 1939, 2030, 2072, 2146, 2216, 2590, 2770, 3878, 4060, 4292, 5180, 5365, 5540, 7511, 7756, 8033, 8120, 8584, 9695, 10249, 10360, 10730, 11080, 15022, 15512, 16066, 19390, 20498, 21460, 30044, 32132, 37555, 38780, 40165, 40996, 42920, 51245, 56231, 60088, 64264, 71743, 75110, 77560, 80330, 81992, 102490, 112462, 143486, 150220, 160660, 204980, 224924, 281155, 286972, 297221, 300440, 321320, 358715, 409960, 449848, 562310, 573944, 594442, 717430, 1124620, 1188884, 1434860, 1486105, 2080547, 2249240, 2377768, 2869720, 2972210, 4161094, 5944420, 8322188, 10402735, 11888840, 16644376, 20805470, 41610940, 83221880]

約数ペア:

[(1, 83221880), (2, 41610940), (4, 20805470), (5, 16644376), (7, 11888840), (8, 10402735), (10, 8322188), (14, 5944420), (20, 4161094), (28, 2972210), (29, 2869720), (35, 2377768), (37, 2249240), (40, 2080547), (56, 1486105), (58, 1434860), (70, 1188884), (74, 1124620), (116, 717430), (140, 594442), (145, 573944), (148, 562310), (185, 449848), (203, 409960), (232, 358715), (259, 321320), (277, 300440), (280, 297221), (290, 286972), (296, 281155), (370, 224924), (406, 204980), (518, 160660), (554, 150220), (580, 143486), (740, 112462), (812, 102490), (1015, 81992), (1036, 80330), (1073, 77560), (1108, 75110), (1160, 71743), (1295, 64264), (1385, 60088), (1480, 56231), (1624, 51245), (1939, 42920), (2030, 40996), (2072, 40165), (2146, 38780), (2216, 37555), (2590, 32132), (2770, 30044), (3878, 21460), (4060, 20498), (4292, 19390), (5180, 16066), (5365, 15512), (5540, 15022), (7511, 11080), (7756, 10730), (8033, 10360), (8120, 10249), (8584, 9695)]