154391680

素因数分解:

$2^7\times 5^1\times {\mathrm{317}}^1\times {\mathrm{761}}^1$

素因数の和:1097

約数の個数: 64

約数和(自身を含む): 370743480

約数和(自身を除く): 216351800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 317, 320, 634, 640, 761, 1268, 1522, 1585, 2536, 3044, 3170, 3805, 5072, 6088, 6340, 7610, 10144, 12176, 12680, 15220, 20288, 24352, 25360, 30440, 40576, 48704, 50720, 60880, 97408, 101440, 121760, 202880, 241237, 243520, 482474, 487040, 964948, 1206185, 1929896, 2412370, 3859792, 4824740, 7719584, 9649480, 15439168, 19298960, 30878336, 38597920, 77195840, 154391680]

約数ペア:

[(1, 154391680), (2, 77195840), (4, 38597920), (5, 30878336), (8, 19298960), (10, 15439168), (16, 9649480), (20, 7719584), (32, 4824740), (40, 3859792), (64, 2412370), (80, 1929896), (128, 1206185), (160, 964948), (317, 487040), (320, 482474), (634, 243520), (640, 241237), (761, 202880), (1268, 121760), (1522, 101440), (1585, 97408), (2536, 60880), (3044, 50720), (3170, 48704), (3805, 40576), (5072, 30440), (6088, 25360), (6340, 24352), (7610, 20288), (10144, 15220), (12176, 12680)]