71385240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 225374400

約数和(自身を除く): 153989160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 73, 87, 116, 120, 145, 146, 174, 219, 232, 281, 290, 292, 348, 365, 435, 438, 562, 580, 584, 696, 730, 843, 870, 876, 1095, 1124, 1160, 1405, 1460, 1686, 1740, 1752, 2117, 2190, 2248, 2810, 2920, 3372, 3480, 4215, 4234, 4380, 5620, 6351, 6744, 8149, 8430, 8468, 8760, 10585, 11240, 12702, 16298, 16860, 16936, 20513, 21170, 24447, 25404, 31755, 32596, 33720, 40745, 41026, 42340, 48894, 50808, 61539, 63510, 65192, 81490, 82052, 84680, 97788, 102565, 122235, 123078, 127020, 162980, 164104, 195576, 205130, 244470, 246156, 254040, 307695, 325960, 410260, 488940, 492312, 594877, 615390, 820520, 977880, 1189754, 1230780, 1784631, 2379508, 2461560, 2974385, 3569262, 4759016, 5948770, 7138524, 8923155, 11897540, 14277048, 17846310, 23795080, 35692620, 71385240]

約数ペア:

[(1, 71385240), (2, 35692620), (3, 23795080), (4, 17846310), (5, 14277048), (6, 11897540), (8, 8923155), (10, 7138524), (12, 5948770), (15, 4759016), (20, 3569262), (24, 2974385), (29, 2461560), (30, 2379508), (40, 1784631), (58, 1230780), (60, 1189754), (73, 977880), (87, 820520), (116, 615390), (120, 594877), (145, 492312), (146, 488940), (174, 410260), (219, 325960), (232, 307695), (281, 254040), (290, 246156), (292, 244470), (348, 205130), (365, 195576), (435, 164104), (438, 162980), (562, 127020), (580, 123078), (584, 122235), (696, 102565), (730, 97788), (843, 84680), (870, 82052), (876, 81490), (1095, 65192), (1124, 63510), (1160, 61539), (1405, 50808), (1460, 48894), (1686, 42340), (1740, 41026), (1752, 40745), (2117, 33720), (2190, 32596), (2248, 31755), (2810, 25404), (2920, 24447), (3372, 21170), (3480, 20513), (4215, 16936), (4234, 16860), (4380, 16298), (5620, 12702), (6351, 11240), (6744, 10585), (8149, 8760), (8430, 8468)]