142821480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1693}}^1$

素因数の和:1763

約数の個数: 128

約数和(自身を含む): 463478400

約数和(自身を除く): 320656920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 285, 296, 370, 380, 444, 456, 555, 570, 703, 740, 760, 888, 1110, 1140, 1406, 1480, 1693, 2109, 2220, 2280, 2812, 3386, 3515, 4218, 4440, 5079, 5624, 6772, 7030, 8436, 8465, 10158, 10545, 13544, 14060, 16872, 16930, 20316, 21090, 25395, 28120, 32167, 33860, 40632, 42180, 50790, 62641, 64334, 67720, 84360, 96501, 101580, 125282, 128668, 160835, 187923, 193002, 203160, 250564, 257336, 313205, 321670, 375846, 386004, 482505, 501128, 626410, 643340, 751692, 772008, 939615, 965010, 1190179, 1252820, 1286680, 1503384, 1879230, 1930020, 2380358, 2505640, 3570537, 3758460, 3860040, 4760716, 5950895, 7141074, 7516920, 9521432, 11901790, 14282148, 17852685, 23803580, 28564296, 35705370, 47607160, 71410740, 142821480]

約数ペア:

[(1, 142821480), (2, 71410740), (3, 47607160), (4, 35705370), (5, 28564296), (6, 23803580), (8, 17852685), (10, 14282148), (12, 11901790), (15, 9521432), (19, 7516920), (20, 7141074), (24, 5950895), (30, 4760716), (37, 3860040), (38, 3758460), (40, 3570537), (57, 2505640), (60, 2380358), (74, 1930020), (76, 1879230), (95, 1503384), (111, 1286680), (114, 1252820), (120, 1190179), (148, 965010), (152, 939615), (185, 772008), (190, 751692), (222, 643340), (228, 626410), (285, 501128), (296, 482505), (370, 386004), (380, 375846), (444, 321670), (456, 313205), (555, 257336), (570, 250564), (703, 203160), (740, 193002), (760, 187923), (888, 160835), (1110, 128668), (1140, 125282), (1406, 101580), (1480, 96501), (1693, 84360), (2109, 67720), (2220, 64334), (2280, 62641), (2812, 50790), (3386, 42180), (3515, 40632), (4218, 33860), (4440, 32167), (5079, 28120), (5624, 25395), (6772, 21090), (7030, 20316), (8436, 16930), (8465, 16872), (10158, 14060), (10545, 13544)]