64815672680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{300017}}^1$

素因数の和:300530

約数の個数: 64

約数和(自身を含む): 159417564480

約数和(自身を除く): 94601891800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 491, 982, 1964, 2455, 3928, 4910, 5401, 9820, 10802, 19640, 21604, 27005, 43208, 54010, 108020, 216040, 300017, 600034, 1200068, 1500085, 2400136, 3000170, 3300187, 6000340, 6600374, 12000680, 13200748, 16500935, 26401496, 33001870, 66003740, 132007480, 147308347, 294616694, 589233388, 736541735, 1178466776, 1473083470, 1620391817, 2946166940, 3240783634, 5892333880, 6481567268, 8101959085, 12963134536, 16203918170, 32407836340, 64815672680]

約数ペア:

[(1, 64815672680), (2, 32407836340), (4, 16203918170), (5, 12963134536), (8, 8101959085), (10, 6481567268), (11, 5892333880), (20, 3240783634), (22, 2946166940), (40, 1620391817), (44, 1473083470), (55, 1178466776), (88, 736541735), (110, 589233388), (220, 294616694), (440, 147308347), (491, 132007480), (982, 66003740), (1964, 33001870), (2455, 26401496), (3928, 16500935), (4910, 13200748), (5401, 12000680), (9820, 6600374), (10802, 6000340), (19640, 3300187), (21604, 3000170), (27005, 2400136), (43208, 1500085), (54010, 1200068), (108020, 600034), (216040, 300017)]