7680260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 19908504

約数和(自身を除く): 12228244

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 461, 476, 490, 595, 833, 922, 980, 1190, 1666, 1844, 2305, 2380, 3227, 3332, 4165, 4610, 6454, 7837, 8330, 9220, 12908, 15674, 16135, 16660, 22589, 31348, 32270, 39185, 45178, 54859, 64540, 78370, 90356, 109718, 112945, 156740, 219436, 225890, 274295, 384013, 451780, 548590, 768026, 1097180, 1536052, 1920065, 3840130, 7680260]

約数ペア:

[(1, 7680260), (2, 3840130), (4, 1920065), (5, 1536052), (7, 1097180), (10, 768026), (14, 548590), (17, 451780), (20, 384013), (28, 274295), (34, 225890), (35, 219436), (49, 156740), (68, 112945), (70, 109718), (85, 90356), (98, 78370), (119, 64540), (140, 54859), (170, 45178), (196, 39185), (238, 32270), (245, 31348), (340, 22589), (461, 16660), (476, 16135), (490, 15674), (595, 12908), (833, 9220), (922, 8330), (980, 7837), (1190, 6454), (1666, 4610), (1844, 4165), (2305, 3332), (2380, 3227)]