178628820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{701}}^1$

素因数の和:881

約数の個数: 96

約数和(自身を含む): 520805376

約数和(自身を除く): 342176556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 137, 155, 186, 274, 310, 372, 411, 465, 548, 620, 685, 701, 822, 930, 1370, 1402, 1644, 1860, 2055, 2103, 2740, 2804, 3505, 4110, 4206, 4247, 7010, 8220, 8412, 8494, 10515, 12741, 14020, 16988, 21030, 21235, 21731, 25482, 42060, 42470, 43462, 50964, 63705, 65193, 84940, 86924, 96037, 108655, 127410, 130386, 192074, 217310, 254820, 260772, 288111, 325965, 384148, 434620, 480185, 576222, 651930, 960370, 1152444, 1303860, 1440555, 1920740, 2881110, 2977147, 5762220, 5954294, 8931441, 11908588, 14885735, 17862882, 29771470, 35725764, 44657205, 59542940, 89314410, 178628820]

約数ペア:

[(1, 178628820), (2, 89314410), (3, 59542940), (4, 44657205), (5, 35725764), (6, 29771470), (10, 17862882), (12, 14885735), (15, 11908588), (20, 8931441), (30, 5954294), (31, 5762220), (60, 2977147), (62, 2881110), (93, 1920740), (124, 1440555), (137, 1303860), (155, 1152444), (186, 960370), (274, 651930), (310, 576222), (372, 480185), (411, 434620), (465, 384148), (548, 325965), (620, 288111), (685, 260772), (701, 254820), (822, 217310), (930, 192074), (1370, 130386), (1402, 127410), (1644, 108655), (1860, 96037), (2055, 86924), (2103, 84940), (2740, 65193), (2804, 63705), (3505, 50964), (4110, 43462), (4206, 42470), (4247, 42060), (7010, 25482), (8220, 21731), (8412, 21235), (8494, 21030), (10515, 16988), (12741, 14020)]