2996240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 80

約数和(自身を含む): 7791168

約数和(自身を除く): 4794928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 67, 80, 86, 104, 130, 134, 172, 208, 215, 260, 268, 335, 344, 430, 520, 536, 559, 670, 688, 860, 871, 1040, 1072, 1118, 1340, 1720, 1742, 2236, 2680, 2795, 2881, 3440, 3484, 4355, 4472, 5360, 5590, 5762, 6968, 8710, 8944, 11180, 11524, 13936, 14405, 17420, 22360, 23048, 28810, 34840, 37453, 44720, 46096, 57620, 69680, 74906, 115240, 149812, 187265, 230480, 299624, 374530, 599248, 749060, 1498120, 2996240]

約数ペア:

[(1, 2996240), (2, 1498120), (4, 749060), (5, 599248), (8, 374530), (10, 299624), (13, 230480), (16, 187265), (20, 149812), (26, 115240), (40, 74906), (43, 69680), (52, 57620), (65, 46096), (67, 44720), (80, 37453), (86, 34840), (104, 28810), (130, 23048), (134, 22360), (172, 17420), (208, 14405), (215, 13936), (260, 11524), (268, 11180), (335, 8944), (344, 8710), (430, 6968), (520, 5762), (536, 5590), (559, 5360), (670, 4472), (688, 4355), (860, 3484), (871, 3440), (1040, 2881), (1072, 2795), (1118, 2680), (1340, 2236), (1720, 1742)]