68685440

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 128

約数和(自身を含む): 178459200

約数和(自身を除く): 109773760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 59, 64, 68, 80, 85, 107, 118, 128, 136, 160, 170, 214, 236, 272, 295, 320, 340, 428, 472, 535, 544, 590, 640, 680, 856, 944, 1003, 1070, 1088, 1180, 1360, 1712, 1819, 1888, 2006, 2140, 2176, 2360, 2720, 3424, 3638, 3776, 4012, 4280, 4720, 5015, 5440, 6313, 6848, 7276, 7552, 8024, 8560, 9095, 9440, 10030, 10880, 12626, 13696, 14552, 16048, 17120, 18190, 18880, 20060, 25252, 29104, 31565, 32096, 34240, 36380, 37760, 40120, 50504, 58208, 63130, 64192, 68480, 72760, 80240, 101008, 107321, 116416, 126260, 128384, 145520, 160480, 202016, 214642, 232832, 252520, 291040, 320960, 404032, 429284, 505040, 536605, 582080, 641920, 808064, 858568, 1010080, 1073210, 1164160, 1717136, 2020160, 2146420, 3434272, 4040320, 4292840, 6868544, 8585680, 13737088, 17171360, 34342720, 68685440]

約数ペア:

[(1, 68685440), (2, 34342720), (4, 17171360), (5, 13737088), (8, 8585680), (10, 6868544), (16, 4292840), (17, 4040320), (20, 3434272), (32, 2146420), (34, 2020160), (40, 1717136), (59, 1164160), (64, 1073210), (68, 1010080), (80, 858568), (85, 808064), (107, 641920), (118, 582080), (128, 536605), (136, 505040), (160, 429284), (170, 404032), (214, 320960), (236, 291040), (272, 252520), (295, 232832), (320, 214642), (340, 202016), (428, 160480), (472, 145520), (535, 128384), (544, 126260), (590, 116416), (640, 107321), (680, 101008), (856, 80240), (944, 72760), (1003, 68480), (1070, 64192), (1088, 63130), (1180, 58208), (1360, 50504), (1712, 40120), (1819, 37760), (1888, 36380), (2006, 34240), (2140, 32096), (2176, 31565), (2360, 29104), (2720, 25252), (3424, 20060), (3638, 18880), (3776, 18190), (4012, 17120), (4280, 16048), (4720, 14552), (5015, 13696), (5440, 12626), (6313, 10880), (6848, 10030), (7276, 9440), (7552, 9095), (8024, 8560)]