15202420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 34404048

約数和(自身を除く): 19201628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 733, 1037, 1220, 1466, 2074, 2932, 3665, 4148, 5185, 7330, 10370, 12461, 14660, 20740, 24922, 44713, 49844, 62305, 89426, 124610, 178852, 223565, 249220, 447130, 760121, 894260, 1520242, 3040484, 3800605, 7601210, 15202420]

約数ペア:

[(1, 15202420), (2, 7601210), (4, 3800605), (5, 3040484), (10, 1520242), (17, 894260), (20, 760121), (34, 447130), (61, 249220), (68, 223565), (85, 178852), (122, 124610), (170, 89426), (244, 62305), (305, 49844), (340, 44713), (610, 24922), (733, 20740), (1037, 14660), (1220, 12461), (1466, 10370), (2074, 7330), (2932, 5185), (3665, 4148)]