257193760

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:386

約数の個数: 96

約数和(自身を含む): 624117312

約数和(自身を除く): 366923552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 107, 160, 166, 181, 214, 332, 362, 415, 428, 535, 664, 724, 830, 856, 905, 1070, 1328, 1448, 1660, 1712, 1810, 2140, 2656, 2896, 3320, 3424, 3620, 4280, 5792, 6640, 7240, 8560, 8881, 13280, 14480, 15023, 17120, 17762, 19367, 28960, 30046, 35524, 38734, 44405, 60092, 71048, 75115, 77468, 88810, 96835, 120184, 142096, 150230, 154936, 177620, 193670, 240368, 284192, 300460, 309872, 355240, 387340, 480736, 600920, 619744, 710480, 774680, 1201840, 1420960, 1549360, 1607461, 2403680, 3098720, 3214922, 6429844, 8037305, 12859688, 16074610, 25719376, 32149220, 51438752, 64298440, 128596880, 257193760]

約数ペア:

[(1, 257193760), (2, 128596880), (4, 64298440), (5, 51438752), (8, 32149220), (10, 25719376), (16, 16074610), (20, 12859688), (32, 8037305), (40, 6429844), (80, 3214922), (83, 3098720), (107, 2403680), (160, 1607461), (166, 1549360), (181, 1420960), (214, 1201840), (332, 774680), (362, 710480), (415, 619744), (428, 600920), (535, 480736), (664, 387340), (724, 355240), (830, 309872), (856, 300460), (905, 284192), (1070, 240368), (1328, 193670), (1448, 177620), (1660, 154936), (1712, 150230), (1810, 142096), (2140, 120184), (2656, 96835), (2896, 88810), (3320, 77468), (3424, 75115), (3620, 71048), (4280, 60092), (5792, 44405), (6640, 38734), (7240, 35524), (8560, 30046), (8881, 28960), (13280, 19367), (14480, 17762), (15023, 17120)]