172474720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 463678992

約数和(自身を除く): 291204272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 53, 55, 80, 86, 88, 106, 110, 160, 172, 176, 212, 215, 220, 265, 344, 352, 424, 430, 440, 473, 530, 583, 688, 848, 860, 880, 946, 1060, 1166, 1376, 1696, 1720, 1760, 1849, 1892, 2120, 2279, 2332, 2365, 2915, 3440, 3698, 3784, 4240, 4558, 4664, 4730, 5830, 6880, 7396, 7568, 8480, 9116, 9245, 9328, 9460, 11395, 11660, 14792, 15136, 18232, 18490, 18656, 18920, 20339, 22790, 23320, 25069, 29584, 36464, 36980, 37840, 40678, 45580, 46640, 50138, 59168, 72928, 73960, 75680, 81356, 91160, 93280, 97997, 100276, 101695, 125345, 147920, 162712, 182320, 195994, 200552, 203390, 250690, 295840, 325424, 364640, 391988, 401104, 406780, 489985, 501380, 650848, 783976, 802208, 813560, 979970, 1002760, 1077967, 1567952, 1627120, 1959940, 2005520, 2155934, 3135904, 3254240, 3919880, 4011040, 4311868, 5389835, 7839760, 8623736, 10779670, 15679520, 17247472, 21559340, 34494944, 43118680, 86237360, 172474720]

約数ペア:

[(1, 172474720), (2, 86237360), (4, 43118680), (5, 34494944), (8, 21559340), (10, 17247472), (11, 15679520), (16, 10779670), (20, 8623736), (22, 7839760), (32, 5389835), (40, 4311868), (43, 4011040), (44, 3919880), (53, 3254240), (55, 3135904), (80, 2155934), (86, 2005520), (88, 1959940), (106, 1627120), (110, 1567952), (160, 1077967), (172, 1002760), (176, 979970), (212, 813560), (215, 802208), (220, 783976), (265, 650848), (344, 501380), (352, 489985), (424, 406780), (430, 401104), (440, 391988), (473, 364640), (530, 325424), (583, 295840), (688, 250690), (848, 203390), (860, 200552), (880, 195994), (946, 182320), (1060, 162712), (1166, 147920), (1376, 125345), (1696, 101695), (1720, 100276), (1760, 97997), (1849, 93280), (1892, 91160), (2120, 81356), (2279, 75680), (2332, 73960), (2365, 72928), (2915, 59168), (3440, 50138), (3698, 46640), (3784, 45580), (4240, 40678), (4558, 37840), (4664, 36980), (4730, 36464), (5830, 29584), (6880, 25069), (7396, 23320), (7568, 22790), (8480, 20339), (9116, 18920), (9245, 18656), (9328, 18490), (9460, 18232), (11395, 15136), (11660, 14792)]