1201840

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:277

約数の個数: 40

約数和(自身を含む): 2843568

約数和(自身を除く): 1641728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 181, 332, 362, 415, 664, 724, 830, 905, 1328, 1448, 1660, 1810, 2896, 3320, 3620, 6640, 7240, 14480, 15023, 30046, 60092, 75115, 120184, 150230, 240368, 300460, 600920, 1201840]

約数ペア:

[(1, 1201840), (2, 600920), (4, 300460), (5, 240368), (8, 150230), (10, 120184), (16, 75115), (20, 60092), (40, 30046), (80, 15023), (83, 14480), (166, 7240), (181, 6640), (332, 3620), (362, 3320), (415, 2896), (664, 1810), (724, 1660), (830, 1448), (905, 1328)]