72144520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 199065600

約数和(自身を除く): 126921080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 133, 140, 142, 152, 190, 191, 266, 280, 284, 355, 380, 382, 497, 532, 568, 665, 710, 760, 764, 955, 994, 1064, 1330, 1337, 1349, 1420, 1528, 1910, 1988, 2485, 2660, 2674, 2698, 2840, 3629, 3820, 3976, 4970, 5320, 5348, 5396, 6685, 6745, 7258, 7640, 9443, 9940, 10696, 10792, 13370, 13490, 13561, 14516, 18145, 18886, 19880, 25403, 26740, 26980, 27122, 29032, 36290, 37772, 47215, 50806, 53480, 53960, 54244, 67805, 72580, 75544, 94430, 94927, 101612, 108488, 127015, 135610, 145160, 188860, 189854, 203224, 254030, 257659, 271220, 377720, 379708, 474635, 508060, 515318, 542440, 759416, 949270, 1016120, 1030636, 1288295, 1803613, 1898540, 2061272, 2576590, 3607226, 3797080, 5153180, 7214452, 9018065, 10306360, 14428904, 18036130, 36072260, 72144520]

約数ペア:

[(1, 72144520), (2, 36072260), (4, 18036130), (5, 14428904), (7, 10306360), (8, 9018065), (10, 7214452), (14, 5153180), (19, 3797080), (20, 3607226), (28, 2576590), (35, 2061272), (38, 1898540), (40, 1803613), (56, 1288295), (70, 1030636), (71, 1016120), (76, 949270), (95, 759416), (133, 542440), (140, 515318), (142, 508060), (152, 474635), (190, 379708), (191, 377720), (266, 271220), (280, 257659), (284, 254030), (355, 203224), (380, 189854), (382, 188860), (497, 145160), (532, 135610), (568, 127015), (665, 108488), (710, 101612), (760, 94927), (764, 94430), (955, 75544), (994, 72580), (1064, 67805), (1330, 54244), (1337, 53960), (1349, 53480), (1420, 50806), (1528, 47215), (1910, 37772), (1988, 36290), (2485, 29032), (2660, 27122), (2674, 26980), (2698, 26740), (2840, 25403), (3629, 19880), (3820, 18886), (3976, 18145), (4970, 14516), (5320, 13561), (5348, 13490), (5396, 13370), (6685, 10792), (6745, 10696), (7258, 9940), (7640, 9443)]