18530865920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{20477}}^1$

素因数の和:20606

約数の個数: 144

約数和(自身を含む): 51233007168

約数和(自身を除く): 32702141248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 101, 112, 128, 140, 160, 202, 224, 256, 280, 320, 404, 448, 505, 560, 640, 707, 808, 896, 1010, 1120, 1280, 1414, 1616, 1792, 2020, 2240, 2828, 3232, 3535, 4040, 4480, 5656, 6464, 7070, 8080, 8960, 11312, 12928, 14140, 16160, 20477, 22624, 25856, 28280, 32320, 40954, 45248, 56560, 64640, 81908, 90496, 102385, 113120, 129280, 143339, 163816, 180992, 204770, 226240, 286678, 327632, 409540, 452480, 573356, 655264, 716695, 819080, 904960, 1146712, 1310528, 1433390, 1638160, 2068177, 2293424, 2621056, 2866780, 3276320, 4136354, 4586848, 5242112, 5733560, 6552640, 8272708, 9173696, 10340885, 11467120, 13105280, 14477239, 16545416, 18347392, 20681770, 22934240, 26210560, 28954478, 33090832, 36694784, 41363540, 45868480, 57908956, 66181664, 72386195, 82727080, 91736960, 115817912, 132363328, 144772390, 165454160, 183473920, 231635824, 264726656, 289544780, 330908320, 463271648, 529453312, 579089560, 661816640, 926543296, 1158179120, 1323633280, 1853086592, 2316358240, 2647266560, 3706173184, 4632716480, 9265432960, 18530865920]

約数ペア:

[(1, 18530865920), (2, 9265432960), (4, 4632716480), (5, 3706173184), (7, 2647266560), (8, 2316358240), (10, 1853086592), (14, 1323633280), (16, 1158179120), (20, 926543296), (28, 661816640), (32, 579089560), (35, 529453312), (40, 463271648), (56, 330908320), (64, 289544780), (70, 264726656), (80, 231635824), (101, 183473920), (112, 165454160), (128, 144772390), (140, 132363328), (160, 115817912), (202, 91736960), (224, 82727080), (256, 72386195), (280, 66181664), (320, 57908956), (404, 45868480), (448, 41363540), (505, 36694784), (560, 33090832), (640, 28954478), (707, 26210560), (808, 22934240), (896, 20681770), (1010, 18347392), (1120, 16545416), (1280, 14477239), (1414, 13105280), (1616, 11467120), (1792, 10340885), (2020, 9173696), (2240, 8272708), (2828, 6552640), (3232, 5733560), (3535, 5242112), (4040, 4586848), (4480, 4136354), (5656, 3276320), (6464, 2866780), (7070, 2621056), (8080, 2293424), (8960, 2068177), (11312, 1638160), (12928, 1433390), (14140, 1310528), (16160, 1146712), (20477, 904960), (22624, 819080), (25856, 716695), (28280, 655264), (32320, 573356), (40954, 452480), (45248, 409540), (56560, 327632), (64640, 286678), (81908, 226240), (90496, 204770), (102385, 180992), (113120, 163816), (129280, 143339)]