88891640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2143}}^1$

素因数の和:2232

約数の個数: 64

約数和(自身を含む): 215343360

約数和(自身を除く): 126451720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 680, 1037, 1220, 2074, 2143, 2440, 4148, 4286, 5185, 8296, 8572, 10370, 10715, 17144, 20740, 21430, 36431, 41480, 42860, 72862, 85720, 130723, 145724, 182155, 261446, 291448, 364310, 522892, 653615, 728620, 1045784, 1307230, 1457240, 2222291, 2614460, 4444582, 5228920, 8889164, 11111455, 17778328, 22222910, 44445820, 88891640]

約数ペア:

[(1, 88891640), (2, 44445820), (4, 22222910), (5, 17778328), (8, 11111455), (10, 8889164), (17, 5228920), (20, 4444582), (34, 2614460), (40, 2222291), (61, 1457240), (68, 1307230), (85, 1045784), (122, 728620), (136, 653615), (170, 522892), (244, 364310), (305, 291448), (340, 261446), (488, 182155), (610, 145724), (680, 130723), (1037, 85720), (1220, 72862), (2074, 42860), (2143, 41480), (2440, 36431), (4148, 21430), (4286, 20740), (5185, 17144), (8296, 10715), (8572, 10370)]