81407400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 192

約数和(自身を含む): 274238400

約数和(自身を除く): 192831000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 37, 38, 40, 50, 57, 60, 74, 75, 76, 95, 100, 111, 114, 120, 148, 150, 152, 185, 190, 193, 200, 222, 228, 285, 296, 300, 370, 380, 386, 444, 456, 475, 555, 570, 579, 600, 703, 740, 760, 772, 888, 925, 950, 965, 1110, 1140, 1158, 1406, 1425, 1480, 1544, 1850, 1900, 1930, 2109, 2220, 2280, 2316, 2775, 2812, 2850, 2895, 3515, 3667, 3700, 3800, 3860, 4218, 4440, 4632, 4825, 5550, 5624, 5700, 5790, 7030, 7141, 7334, 7400, 7720, 8436, 9650, 10545, 11001, 11100, 11400, 11580, 14060, 14282, 14475, 14668, 16872, 17575, 18335, 19300, 21090, 21423, 22002, 22200, 23160, 28120, 28564, 28950, 29336, 35150, 35705, 36670, 38600, 42180, 42846, 44004, 52725, 55005, 57128, 57900, 70300, 71410, 73340, 84360, 85692, 88008, 91675, 105450, 107115, 110010, 115800, 135679, 140600, 142820, 146680, 171384, 178525, 183350, 210900, 214230, 220020, 271358, 275025, 285640, 357050, 366700, 407037, 421800, 428460, 440040, 535575, 542716, 550050, 678395, 714100, 733400, 814074, 856920, 1071150, 1085432, 1100100, 1356790, 1428200, 1628148, 2035185, 2142300, 2200200, 2713580, 3256296, 3391975, 4070370, 4284600, 5427160, 6783950, 8140740, 10175925, 13567900, 16281480, 20351850, 27135800, 40703700, 81407400]

約数ペア:

[(1, 81407400), (2, 40703700), (3, 27135800), (4, 20351850), (5, 16281480), (6, 13567900), (8, 10175925), (10, 8140740), (12, 6783950), (15, 5427160), (19, 4284600), (20, 4070370), (24, 3391975), (25, 3256296), (30, 2713580), (37, 2200200), (38, 2142300), (40, 2035185), (50, 1628148), (57, 1428200), (60, 1356790), (74, 1100100), (75, 1085432), (76, 1071150), (95, 856920), (100, 814074), (111, 733400), (114, 714100), (120, 678395), (148, 550050), (150, 542716), (152, 535575), (185, 440040), (190, 428460), (193, 421800), (200, 407037), (222, 366700), (228, 357050), (285, 285640), (296, 275025), (300, 271358), (370, 220020), (380, 214230), (386, 210900), (444, 183350), (456, 178525), (475, 171384), (555, 146680), (570, 142820), (579, 140600), (600, 135679), (703, 115800), (740, 110010), (760, 107115), (772, 105450), (888, 91675), (925, 88008), (950, 85692), (965, 84360), (1110, 73340), (1140, 71410), (1158, 70300), (1406, 57900), (1425, 57128), (1480, 55005), (1544, 52725), (1850, 44004), (1900, 42846), (1930, 42180), (2109, 38600), (2220, 36670), (2280, 35705), (2316, 35150), (2775, 29336), (2812, 28950), (2850, 28564), (2895, 28120), (3515, 23160), (3667, 22200), (3700, 22002), (3800, 21423), (3860, 21090), (4218, 19300), (4440, 18335), (4632, 17575), (4825, 16872), (5550, 14668), (5624, 14475), (5700, 14282), (5790, 14060), (7030, 11580), (7141, 11400), (7334, 11100), (7400, 11001), (7720, 10545), (8436, 9650)]