81575360

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13417}}^1$

素因数の和:13453

約数の個数: 56

約数和(自身を含む): 204490320

約数和(自身を除く): 122914960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 13417, 26834, 53668, 67085, 107336, 134170, 214672, 254923, 268340, 429344, 509846, 536680, 858688, 1019692, 1073360, 1274615, 2039384, 2146720, 2549230, 4078768, 4293440, 5098460, 8157536, 10196920, 16315072, 20393840, 40787680, 81575360]

約数ペア:

[(1, 81575360), (2, 40787680), (4, 20393840), (5, 16315072), (8, 10196920), (10, 8157536), (16, 5098460), (19, 4293440), (20, 4078768), (32, 2549230), (38, 2146720), (40, 2039384), (64, 1274615), (76, 1073360), (80, 1019692), (95, 858688), (152, 536680), (160, 509846), (190, 429344), (304, 268340), (320, 254923), (380, 214672), (608, 134170), (760, 107336), (1216, 67085), (1520, 53668), (3040, 26834), (6080, 13417)]