71296280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5227}}^1$

素因数の和:5280

約数の個数: 64

約数和(自身を含む): 180679680

約数和(自身を除く): 109383400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 5227, 6820, 10454, 13640, 20908, 26135, 41816, 52270, 57497, 104540, 114994, 162037, 209080, 229988, 287485, 324074, 459976, 574970, 648148, 810185, 1149940, 1296296, 1620370, 1782407, 2299880, 3240740, 3564814, 6481480, 7129628, 8912035, 14259256, 17824070, 35648140, 71296280]

約数ペア:

[(1, 71296280), (2, 35648140), (4, 17824070), (5, 14259256), (8, 8912035), (10, 7129628), (11, 6481480), (20, 3564814), (22, 3240740), (31, 2299880), (40, 1782407), (44, 1620370), (55, 1296296), (62, 1149940), (88, 810185), (110, 648148), (124, 574970), (155, 459976), (220, 324074), (248, 287485), (310, 229988), (341, 209080), (440, 162037), (620, 114994), (682, 104540), (1240, 57497), (1364, 52270), (1705, 41816), (2728, 26135), (3410, 20908), (5227, 13640), (6820, 10454)]