71770400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 144

約数和(自身を含む): 193362624

約数和(自身を除く): 121592224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 67, 80, 100, 103, 104, 130, 134, 160, 200, 206, 208, 260, 268, 325, 335, 400, 412, 416, 515, 520, 536, 650, 670, 800, 824, 871, 1030, 1040, 1072, 1300, 1339, 1340, 1648, 1675, 1742, 2060, 2080, 2144, 2575, 2600, 2678, 2680, 3296, 3350, 3484, 4120, 4355, 5150, 5200, 5356, 5360, 6695, 6700, 6901, 6968, 8240, 8710, 10300, 10400, 10712, 10720, 13390, 13400, 13802, 13936, 16480, 17420, 20600, 21424, 21775, 26780, 26800, 27604, 27872, 33475, 34505, 34840, 41200, 42848, 43550, 53560, 53600, 55208, 66950, 69010, 69680, 82400, 87100, 89713, 107120, 110416, 133900, 138020, 139360, 172525, 174200, 179426, 214240, 220832, 267800, 276040, 345050, 348400, 358852, 448565, 535600, 552080, 690100, 696800, 717704, 897130, 1071200, 1104160, 1380200, 1435408, 1794260, 2242825, 2760400, 2870816, 3588520, 4485650, 5520800, 7177040, 8971300, 14354080, 17942600, 35885200, 71770400]

約数ペア:

[(1, 71770400), (2, 35885200), (4, 17942600), (5, 14354080), (8, 8971300), (10, 7177040), (13, 5520800), (16, 4485650), (20, 3588520), (25, 2870816), (26, 2760400), (32, 2242825), (40, 1794260), (50, 1435408), (52, 1380200), (65, 1104160), (67, 1071200), (80, 897130), (100, 717704), (103, 696800), (104, 690100), (130, 552080), (134, 535600), (160, 448565), (200, 358852), (206, 348400), (208, 345050), (260, 276040), (268, 267800), (325, 220832), (335, 214240), (400, 179426), (412, 174200), (416, 172525), (515, 139360), (520, 138020), (536, 133900), (650, 110416), (670, 107120), (800, 89713), (824, 87100), (871, 82400), (1030, 69680), (1040, 69010), (1072, 66950), (1300, 55208), (1339, 53600), (1340, 53560), (1648, 43550), (1675, 42848), (1742, 41200), (2060, 34840), (2080, 34505), (2144, 33475), (2575, 27872), (2600, 27604), (2678, 26800), (2680, 26780), (3296, 21775), (3350, 21424), (3484, 20600), (4120, 17420), (4355, 16480), (5150, 13936), (5200, 13802), (5356, 13400), (5360, 13390), (6695, 10720), (6700, 10712), (6901, 10400), (6968, 10300), (8240, 8710)]