77972220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{48131}}^1$

素因数の和:48152

約数の個数: 60

約数和(自身を含む): 244606824

約数和(自身を除く): 166634604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 48131, 96262, 144393, 192524, 240655, 288786, 433179, 481310, 577572, 721965, 866358, 962620, 1299537, 1443930, 1732716, 2165895, 2599074, 2887860, 3898611, 4331790, 5198148, 6497685, 7797222, 8663580, 12995370, 15594444, 19493055, 25990740, 38986110, 77972220]

約数ペア:

[(1, 77972220), (2, 38986110), (3, 25990740), (4, 19493055), (5, 15594444), (6, 12995370), (9, 8663580), (10, 7797222), (12, 6497685), (15, 5198148), (18, 4331790), (20, 3898611), (27, 2887860), (30, 2599074), (36, 2165895), (45, 1732716), (54, 1443930), (60, 1299537), (81, 962620), (90, 866358), (108, 721965), (135, 577572), (162, 481310), (180, 433179), (270, 288786), (324, 240655), (405, 192524), (540, 144393), (810, 96262), (1620, 48131)]