77780480

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1367

約数の個数: 80

約数和(自身を含む): 194746464

約数和(自身を除く): 116965984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1280, 1321, 1472, 1840, 2560, 2642, 2944, 3680, 5284, 5888, 6605, 7360, 10568, 11776, 13210, 14720, 21136, 26420, 29440, 30383, 42272, 52840, 58880, 60766, 84544, 105680, 121532, 151915, 169088, 211360, 243064, 303830, 338176, 422720, 486128, 607660, 676352, 845440, 972256, 1215320, 1690880, 1944512, 2430640, 3381760, 3889024, 4861280, 7778048, 9722560, 15556096, 19445120, 38890240, 77780480]

約数ペア:

[(1, 77780480), (2, 38890240), (4, 19445120), (5, 15556096), (8, 9722560), (10, 7778048), (16, 4861280), (20, 3889024), (23, 3381760), (32, 2430640), (40, 1944512), (46, 1690880), (64, 1215320), (80, 972256), (92, 845440), (115, 676352), (128, 607660), (160, 486128), (184, 422720), (230, 338176), (256, 303830), (320, 243064), (368, 211360), (460, 169088), (512, 151915), (640, 121532), (736, 105680), (920, 84544), (1280, 60766), (1321, 58880), (1472, 52840), (1840, 42272), (2560, 30383), (2642, 29440), (2944, 26420), (3680, 21136), (5284, 14720), (5888, 13210), (6605, 11776), (7360, 10568)]