131480320

素因数分解:

$2^8\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1741}}^1$

素因数の和:1821

約数の個数: 72

約数和(自身を含む): 320458320

約数和(自身を除く): 188978000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 472, 590, 640, 944, 1180, 1280, 1741, 1888, 2360, 3482, 3776, 4720, 6964, 7552, 8705, 9440, 13928, 15104, 17410, 18880, 27856, 34820, 37760, 55712, 69640, 75520, 102719, 111424, 139280, 205438, 222848, 278560, 410876, 445696, 513595, 557120, 821752, 1027190, 1114240, 1643504, 2054380, 2228480, 3287008, 4108760, 6574016, 8217520, 13148032, 16435040, 26296064, 32870080, 65740160, 131480320]

約数ペア:

[(1, 131480320), (2, 65740160), (4, 32870080), (5, 26296064), (8, 16435040), (10, 13148032), (16, 8217520), (20, 6574016), (32, 4108760), (40, 3287008), (59, 2228480), (64, 2054380), (80, 1643504), (118, 1114240), (128, 1027190), (160, 821752), (236, 557120), (256, 513595), (295, 445696), (320, 410876), (472, 278560), (590, 222848), (640, 205438), (944, 139280), (1180, 111424), (1280, 102719), (1741, 75520), (1888, 69640), (2360, 55712), (3482, 37760), (3776, 34820), (4720, 27856), (6964, 18880), (7552, 17410), (8705, 15104), (9440, 13928)]