177783280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2143}}^1$

素因数の和:2234

約数の個数: 80

約数和(自身を含む): 445042944

約数和(自身を除く): 267259664

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 976, 1037, 1220, 1360, 2074, 2143, 2440, 4148, 4286, 4880, 5185, 8296, 8572, 10370, 10715, 16592, 17144, 20740, 21430, 34288, 36431, 41480, 42860, 72862, 82960, 85720, 130723, 145724, 171440, 182155, 261446, 291448, 364310, 522892, 582896, 653615, 728620, 1045784, 1307230, 1457240, 2091568, 2222291, 2614460, 2914480, 4444582, 5228920, 8889164, 10457840, 11111455, 17778328, 22222910, 35556656, 44445820, 88891640, 177783280]

約数ペア:

[(1, 177783280), (2, 88891640), (4, 44445820), (5, 35556656), (8, 22222910), (10, 17778328), (16, 11111455), (17, 10457840), (20, 8889164), (34, 5228920), (40, 4444582), (61, 2914480), (68, 2614460), (80, 2222291), (85, 2091568), (122, 1457240), (136, 1307230), (170, 1045784), (244, 728620), (272, 653615), (305, 582896), (340, 522892), (488, 364310), (610, 291448), (680, 261446), (976, 182155), (1037, 171440), (1220, 145724), (1360, 130723), (2074, 85720), (2143, 82960), (2440, 72862), (4148, 42860), (4286, 41480), (4880, 36431), (5185, 34288), (8296, 21430), (8572, 20740), (10370, 17144), (10715, 16592)]