40144720

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 200

約数和(自身を含む): 125036640

約数和(自身を除く): 84891920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 80, 88, 95, 98, 110, 112, 133, 140, 152, 154, 176, 190, 196, 209, 220, 245, 266, 280, 304, 308, 343, 380, 385, 392, 418, 440, 490, 532, 539, 560, 616, 665, 686, 760, 770, 784, 836, 880, 931, 980, 1045, 1064, 1078, 1232, 1330, 1372, 1463, 1520, 1540, 1672, 1715, 1862, 1960, 2090, 2128, 2156, 2401, 2660, 2695, 2744, 2926, 3080, 3344, 3430, 3724, 3773, 3920, 4180, 4312, 4655, 4802, 5320, 5390, 5488, 5852, 6160, 6517, 6860, 7315, 7448, 7546, 8360, 8624, 9310, 9604, 10241, 10640, 10780, 11704, 12005, 13034, 13720, 14630, 14896, 15092, 16720, 18620, 18865, 19208, 20482, 21560, 23408, 24010, 26068, 26411, 27440, 29260, 30184, 32585, 37240, 37730, 38416, 40964, 43120, 45619, 48020, 51205, 52136, 52822, 58520, 60368, 65170, 71687, 74480, 75460, 81928, 91238, 96040, 102410, 104272, 105644, 117040, 130340, 132055, 143374, 150920, 163856, 182476, 192080, 204820, 211288, 228095, 260680, 264110, 286748, 301840, 358435, 364952, 409640, 422576, 456190, 501809, 521360, 528220, 573496, 716870, 729904, 819280, 912380, 1003618, 1056440, 1146992, 1433740, 1824760, 2007236, 2112880, 2509045, 2867480, 3649520, 4014472, 5018090, 5734960, 8028944, 10036180, 20072360, 40144720]

約数ペア:

[(1, 40144720), (2, 20072360), (4, 10036180), (5, 8028944), (7, 5734960), (8, 5018090), (10, 4014472), (11, 3649520), (14, 2867480), (16, 2509045), (19, 2112880), (20, 2007236), (22, 1824760), (28, 1433740), (35, 1146992), (38, 1056440), (40, 1003618), (44, 912380), (49, 819280), (55, 729904), (56, 716870), (70, 573496), (76, 528220), (77, 521360), (80, 501809), (88, 456190), (95, 422576), (98, 409640), (110, 364952), (112, 358435), (133, 301840), (140, 286748), (152, 264110), (154, 260680), (176, 228095), (190, 211288), (196, 204820), (209, 192080), (220, 182476), (245, 163856), (266, 150920), (280, 143374), (304, 132055), (308, 130340), (343, 117040), (380, 105644), (385, 104272), (392, 102410), (418, 96040), (440, 91238), (490, 81928), (532, 75460), (539, 74480), (560, 71687), (616, 65170), (665, 60368), (686, 58520), (760, 52822), (770, 52136), (784, 51205), (836, 48020), (880, 45619), (931, 43120), (980, 40964), (1045, 38416), (1064, 37730), (1078, 37240), (1232, 32585), (1330, 30184), (1372, 29260), (1463, 27440), (1520, 26411), (1540, 26068), (1672, 24010), (1715, 23408), (1862, 21560), (1960, 20482), (2090, 19208), (2128, 18865), (2156, 18620), (2401, 16720), (2660, 15092), (2695, 14896), (2744, 14630), (2926, 13720), (3080, 13034), (3344, 12005), (3430, 11704), (3724, 10780), (3773, 10640), (3920, 10241), (4180, 9604), (4312, 9310), (4655, 8624), (4802, 8360), (5320, 7546), (5390, 7448), (5488, 7315), (5852, 6860), (6160, 6517)]