61645920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{2621}}^1$

素因数の和:2653

約数の個数: 144

約数和(自身を含む): 225974448

約数和(自身を除く): 164328528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2621, 2940, 3360, 3920, 4704, 5242, 5880, 7840, 7863, 10484, 11760, 13105, 15726, 18347, 20968, 23520, 26210, 31452, 36694, 39315, 41936, 52420, 55041, 62904, 73388, 78630, 83872, 91735, 104840, 110082, 125808, 128429, 146776, 157260, 183470, 209680, 220164, 251616, 256858, 275205, 293552, 314520, 366940, 385287, 419360, 440328, 513716, 550410, 587104, 629040, 642145, 733880, 770574, 880656, 1027432, 1100820, 1258080, 1284290, 1467760, 1541148, 1761312, 1926435, 2054864, 2201640, 2568580, 2935520, 3082296, 3852870, 4109728, 4403280, 5137160, 6164592, 7705740, 8806560, 10274320, 12329184, 15411480, 20548640, 30822960, 61645920]

約数ペア:

[(1, 61645920), (2, 30822960), (3, 20548640), (4, 15411480), (5, 12329184), (6, 10274320), (7, 8806560), (8, 7705740), (10, 6164592), (12, 5137160), (14, 4403280), (15, 4109728), (16, 3852870), (20, 3082296), (21, 2935520), (24, 2568580), (28, 2201640), (30, 2054864), (32, 1926435), (35, 1761312), (40, 1541148), (42, 1467760), (48, 1284290), (49, 1258080), (56, 1100820), (60, 1027432), (70, 880656), (80, 770574), (84, 733880), (96, 642145), (98, 629040), (105, 587104), (112, 550410), (120, 513716), (140, 440328), (147, 419360), (160, 385287), (168, 366940), (196, 314520), (210, 293552), (224, 275205), (240, 256858), (245, 251616), (280, 220164), (294, 209680), (336, 183470), (392, 157260), (420, 146776), (480, 128429), (490, 125808), (560, 110082), (588, 104840), (672, 91735), (735, 83872), (784, 78630), (840, 73388), (980, 62904), (1120, 55041), (1176, 52420), (1470, 41936), (1568, 39315), (1680, 36694), (1960, 31452), (2352, 26210), (2621, 23520), (2940, 20968), (3360, 18347), (3920, 15726), (4704, 13105), (5242, 11760), (5880, 10484), (7840, 7863)]