1317680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 3791424

約数和(自身を除く): 2473744

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 181, 182, 208, 260, 280, 362, 364, 455, 520, 560, 724, 728, 905, 910, 1040, 1267, 1448, 1456, 1810, 1820, 2353, 2534, 2896, 3620, 3640, 4706, 5068, 6335, 7240, 7280, 9412, 10136, 11765, 12670, 14480, 16471, 18824, 20272, 23530, 25340, 32942, 37648, 47060, 50680, 65884, 82355, 94120, 101360, 131768, 164710, 188240, 263536, 329420, 658840, 1317680]

約数ペア:

[(1, 1317680), (2, 658840), (4, 329420), (5, 263536), (7, 188240), (8, 164710), (10, 131768), (13, 101360), (14, 94120), (16, 82355), (20, 65884), (26, 50680), (28, 47060), (35, 37648), (40, 32942), (52, 25340), (56, 23530), (65, 20272), (70, 18824), (80, 16471), (91, 14480), (104, 12670), (112, 11765), (130, 10136), (140, 9412), (181, 7280), (182, 7240), (208, 6335), (260, 5068), (280, 4706), (362, 3640), (364, 3620), (455, 2896), (520, 2534), (560, 2353), (724, 1820), (728, 1810), (905, 1456), (910, 1448), (1040, 1267)]