261893730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1093}}^1$

素因数の和:1280

約数の個数: 96

約数和(自身を含む): 736323264

約数和(自身を除く): 474429534

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 163, 210, 245, 294, 326, 489, 490, 735, 815, 978, 1093, 1141, 1470, 1630, 2186, 2282, 2445, 3279, 3423, 4890, 5465, 5705, 6558, 6846, 7651, 7987, 10930, 11410, 15302, 15974, 16395, 17115, 22953, 23961, 32790, 34230, 38255, 39935, 45906, 47922, 53557, 76510, 79870, 107114, 114765, 119805, 160671, 178159, 229530, 239610, 267785, 321342, 356318, 534477, 535570, 803355, 890795, 1068954, 1247113, 1606710, 1781590, 2494226, 2672385, 3741339, 5344770, 6235565, 7482678, 8729791, 12471130, 17459582, 18706695, 26189373, 37413390, 43648955, 52378746, 87297910, 130946865, 261893730]

約数ペア:

[(1, 261893730), (2, 130946865), (3, 87297910), (5, 52378746), (6, 43648955), (7, 37413390), (10, 26189373), (14, 18706695), (15, 17459582), (21, 12471130), (30, 8729791), (35, 7482678), (42, 6235565), (49, 5344770), (70, 3741339), (98, 2672385), (105, 2494226), (147, 1781590), (163, 1606710), (210, 1247113), (245, 1068954), (294, 890795), (326, 803355), (489, 535570), (490, 534477), (735, 356318), (815, 321342), (978, 267785), (1093, 239610), (1141, 229530), (1470, 178159), (1630, 160671), (2186, 119805), (2282, 114765), (2445, 107114), (3279, 79870), (3423, 76510), (4890, 53557), (5465, 47922), (5705, 45906), (6558, 39935), (6846, 38255), (7651, 34230), (7987, 32790), (10930, 23961), (11410, 22953), (15302, 17115), (15974, 16395)]