85246720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 226638720

約数和(自身を除く): 141392000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 109, 128, 130, 160, 188, 208, 218, 235, 256, 260, 320, 376, 416, 436, 470, 520, 545, 611, 640, 752, 832, 872, 940, 1040, 1090, 1222, 1280, 1417, 1504, 1664, 1744, 1880, 2080, 2180, 2444, 2834, 3008, 3055, 3328, 3488, 3760, 4160, 4360, 4888, 5123, 5668, 6016, 6110, 6976, 7085, 7520, 8320, 8720, 9776, 10246, 11336, 12032, 12220, 13952, 14170, 15040, 16640, 17440, 19552, 20492, 22672, 24440, 25615, 27904, 28340, 30080, 34880, 39104, 40984, 45344, 48880, 51230, 56680, 60160, 66599, 69760, 78208, 81968, 90688, 97760, 102460, 113360, 133198, 139520, 156416, 163936, 181376, 195520, 204920, 226720, 266396, 327872, 332995, 362752, 391040, 409840, 453440, 532792, 655744, 665990, 782080, 819680, 906880, 1065584, 1311488, 1331980, 1639360, 1813760, 2131168, 2663960, 3278720, 4262336, 5327920, 6557440, 8524672, 10655840, 17049344, 21311680, 42623360, 85246720]

約数ペア:

[(1, 85246720), (2, 42623360), (4, 21311680), (5, 17049344), (8, 10655840), (10, 8524672), (13, 6557440), (16, 5327920), (20, 4262336), (26, 3278720), (32, 2663960), (40, 2131168), (47, 1813760), (52, 1639360), (64, 1331980), (65, 1311488), (80, 1065584), (94, 906880), (104, 819680), (109, 782080), (128, 665990), (130, 655744), (160, 532792), (188, 453440), (208, 409840), (218, 391040), (235, 362752), (256, 332995), (260, 327872), (320, 266396), (376, 226720), (416, 204920), (436, 195520), (470, 181376), (520, 163936), (545, 156416), (611, 139520), (640, 133198), (752, 113360), (832, 102460), (872, 97760), (940, 90688), (1040, 81968), (1090, 78208), (1222, 69760), (1280, 66599), (1417, 60160), (1504, 56680), (1664, 51230), (1744, 48880), (1880, 45344), (2080, 40984), (2180, 39104), (2444, 34880), (2834, 30080), (3008, 28340), (3055, 27904), (3328, 25615), (3488, 24440), (3760, 22672), (4160, 20492), (4360, 19552), (4888, 17440), (5123, 16640), (5668, 15040), (6016, 14170), (6110, 13952), (6976, 12220), (7085, 12032), (7520, 11336), (8320, 10246), (8720, 9776)]