72273040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 120

約数和(自身を含む): 198469440

約数和(自身を除く): 126196400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 103, 112, 140, 179, 196, 206, 245, 280, 358, 392, 412, 490, 515, 560, 716, 721, 784, 824, 895, 980, 1030, 1253, 1432, 1442, 1648, 1790, 1960, 2060, 2506, 2864, 2884, 3580, 3605, 3920, 4120, 5012, 5047, 5768, 6265, 7160, 7210, 8240, 8771, 10024, 10094, 11536, 12530, 14320, 14420, 17542, 18437, 20048, 20188, 25060, 25235, 28840, 35084, 36874, 40376, 43855, 50120, 50470, 57680, 70168, 73748, 80752, 87710, 92185, 100240, 100940, 129059, 140336, 147496, 175420, 184370, 201880, 258118, 294992, 350840, 368740, 403760, 516236, 645295, 701680, 737480, 903413, 1032472, 1290590, 1474960, 1806826, 2064944, 2581180, 3613652, 4517065, 5162360, 7227304, 9034130, 10324720, 14454608, 18068260, 36136520, 72273040]

約数ペア:

[(1, 72273040), (2, 36136520), (4, 18068260), (5, 14454608), (7, 10324720), (8, 9034130), (10, 7227304), (14, 5162360), (16, 4517065), (20, 3613652), (28, 2581180), (35, 2064944), (40, 1806826), (49, 1474960), (56, 1290590), (70, 1032472), (80, 903413), (98, 737480), (103, 701680), (112, 645295), (140, 516236), (179, 403760), (196, 368740), (206, 350840), (245, 294992), (280, 258118), (358, 201880), (392, 184370), (412, 175420), (490, 147496), (515, 140336), (560, 129059), (716, 100940), (721, 100240), (784, 92185), (824, 87710), (895, 80752), (980, 73748), (1030, 70168), (1253, 57680), (1432, 50470), (1442, 50120), (1648, 43855), (1790, 40376), (1960, 36874), (2060, 35084), (2506, 28840), (2864, 25235), (2884, 25060), (3580, 20188), (3605, 20048), (3920, 18437), (4120, 17542), (5012, 14420), (5047, 14320), (5768, 12530), (6265, 11536), (7160, 10094), (7210, 10024), (8240, 8771)]