15707620280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{72707}}^1$

素因数の和:73220

約数の個数: 64

約数和(自身を含む): 38634122880

約数和(自身を除く): 22926502600

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, 72707, 108020, 145414, 216040, 290828, 363535, 581656, 727070, 799777, 1454140, 1599554, 2908280, 3199108, 3998885, 6398216, 7997770, 15995540, 31991080, 35699137, 71398274, 142796548, 178495685, 285593096, 356991370, 392690507, 713982740, 785381014, 1427965480, 1570762028, 1963452535, 3141524056, 3926905070, 7853810140, 15707620280]

約数ペア:

[(1, 15707620280), (2, 7853810140), (4, 3926905070), (5, 3141524056), (8, 1963452535), (10, 1570762028), (11, 1427965480), (20, 785381014), (22, 713982740), (40, 392690507), (44, 356991370), (55, 285593096), (88, 178495685), (110, 142796548), (220, 71398274), (440, 35699137), (491, 31991080), (982, 15995540), (1964, 7997770), (2455, 6398216), (3928, 3998885), (4910, 3199108), (5401, 2908280), (9820, 1599554), (10802, 1454140), (19640, 799777), (21604, 727070), (27005, 581656), (43208, 363535), (54010, 290828), (72707, 216040), (108020, 145414)]