86859920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1423}}^1$

素因数の和:1552

約数の個数: 80

約数和(自身を含む): 233080320

約数和(自身を除く): 146220400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1423, 1526, 1744, 2180, 2846, 3052, 3815, 4360, 5692, 6104, 7115, 7630, 8720, 9961, 11384, 12208, 14230, 15260, 19922, 22768, 28460, 30520, 39844, 49805, 56920, 61040, 79688, 99610, 113840, 155107, 159376, 199220, 310214, 398440, 620428, 775535, 796880, 1085749, 1240856, 1551070, 2171498, 2481712, 3102140, 4342996, 5428745, 6204280, 8685992, 10857490, 12408560, 17371984, 21714980, 43429960, 86859920]

約数ペア:

[(1, 86859920), (2, 43429960), (4, 21714980), (5, 17371984), (7, 12408560), (8, 10857490), (10, 8685992), (14, 6204280), (16, 5428745), (20, 4342996), (28, 3102140), (35, 2481712), (40, 2171498), (56, 1551070), (70, 1240856), (80, 1085749), (109, 796880), (112, 775535), (140, 620428), (218, 398440), (280, 310214), (436, 199220), (545, 159376), (560, 155107), (763, 113840), (872, 99610), (1090, 79688), (1423, 61040), (1526, 56920), (1744, 49805), (2180, 39844), (2846, 30520), (3052, 28460), (3815, 22768), (4360, 19922), (5692, 15260), (6104, 14230), (7115, 12208), (7630, 11384), (8720, 9961)]