820653360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{5419}}^1$

素因数の和:6066

約数の個数: 80

約数和(自身を含む): 2548527360

約数和(自身を除く): 1727874000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 631, 1262, 1893, 2524, 3155, 3786, 5048, 5419, 6310, 7572, 9465, 10096, 10838, 12620, 15144, 16257, 18930, 21676, 25240, 27095, 30288, 32514, 37860, 43352, 50480, 54190, 65028, 75720, 81285, 86704, 108380, 130056, 151440, 162570, 216760, 260112, 325140, 433520, 650280, 1300560, 3419389, 6838778, 10258167, 13677556, 17096945, 20516334, 27355112, 34193890, 41032668, 51290835, 54710224, 68387780, 82065336, 102581670, 136775560, 164130672, 205163340, 273551120, 410326680, 820653360]

約数ペア:

[(1, 820653360), (2, 410326680), (3, 273551120), (4, 205163340), (5, 164130672), (6, 136775560), (8, 102581670), (10, 82065336), (12, 68387780), (15, 54710224), (16, 51290835), (20, 41032668), (24, 34193890), (30, 27355112), (40, 20516334), (48, 17096945), (60, 13677556), (80, 10258167), (120, 6838778), (240, 3419389), (631, 1300560), (1262, 650280), (1893, 433520), (2524, 325140), (3155, 260112), (3786, 216760), (5048, 162570), (5419, 151440), (6310, 130056), (7572, 108380), (9465, 86704), (10096, 81285), (10838, 75720), (12620, 65028), (15144, 54190), (16257, 50480), (18930, 43352), (21676, 37860), (25240, 32514), (27095, 30288)]