28256160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 93604896

約数和(自身を除く): 65348736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 43, 48, 60, 74, 80, 86, 96, 111, 120, 129, 148, 160, 172, 185, 215, 222, 240, 258, 296, 344, 370, 430, 444, 480, 516, 555, 592, 645, 688, 740, 860, 888, 1032, 1110, 1184, 1290, 1369, 1376, 1480, 1591, 1720, 1776, 2064, 2220, 2580, 2738, 2960, 3182, 3440, 3552, 4107, 4128, 4440, 4773, 5160, 5476, 5920, 6364, 6845, 6880, 7955, 8214, 8880, 9546, 10320, 10952, 12728, 13690, 15910, 16428, 17760, 19092, 20535, 20640, 21904, 23865, 25456, 27380, 31820, 32856, 38184, 41070, 43808, 47730, 50912, 54760, 58867, 63640, 65712, 76368, 82140, 95460, 109520, 117734, 127280, 131424, 152736, 164280, 176601, 190920, 219040, 235468, 254560, 294335, 328560, 353202, 381840, 470936, 588670, 657120, 706404, 763680, 883005, 941872, 1177340, 1412808, 1766010, 1883744, 2354680, 2825616, 3532020, 4709360, 5651232, 7064040, 9418720, 14128080, 28256160]

約数ペア:

[(1, 28256160), (2, 14128080), (3, 9418720), (4, 7064040), (5, 5651232), (6, 4709360), (8, 3532020), (10, 2825616), (12, 2354680), (15, 1883744), (16, 1766010), (20, 1412808), (24, 1177340), (30, 941872), (32, 883005), (37, 763680), (40, 706404), (43, 657120), (48, 588670), (60, 470936), (74, 381840), (80, 353202), (86, 328560), (96, 294335), (111, 254560), (120, 235468), (129, 219040), (148, 190920), (160, 176601), (172, 164280), (185, 152736), (215, 131424), (222, 127280), (240, 117734), (258, 109520), (296, 95460), (344, 82140), (370, 76368), (430, 65712), (444, 63640), (480, 58867), (516, 54760), (555, 50912), (592, 47730), (645, 43808), (688, 41070), (740, 38184), (860, 32856), (888, 31820), (1032, 27380), (1110, 25456), (1184, 23865), (1290, 21904), (1369, 20640), (1376, 20535), (1480, 19092), (1591, 17760), (1720, 16428), (1776, 15910), (2064, 13690), (2220, 12728), (2580, 10952), (2738, 10320), (2960, 9546), (3182, 8880), (3440, 8214), (3552, 7955), (4107, 6880), (4128, 6845), (4440, 6364), (4773, 5920), (5160, 5476)]