12520960

素因数分解:

$2^9\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 80

約数和(自身を含む): 30886416

約数和(自身を除く): 18365456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 73, 80, 128, 134, 146, 160, 256, 268, 292, 320, 335, 365, 512, 536, 584, 640, 670, 730, 1072, 1168, 1280, 1340, 1460, 2144, 2336, 2560, 2680, 2920, 4288, 4672, 4891, 5360, 5840, 8576, 9344, 9782, 10720, 11680, 17152, 18688, 19564, 21440, 23360, 24455, 34304, 37376, 39128, 42880, 46720, 48910, 78256, 85760, 93440, 97820, 156512, 171520, 186880, 195640, 313024, 391280, 626048, 782560, 1252096, 1565120, 2504192, 3130240, 6260480, 12520960]

約数ペア:

[(1, 12520960), (2, 6260480), (4, 3130240), (5, 2504192), (8, 1565120), (10, 1252096), (16, 782560), (20, 626048), (32, 391280), (40, 313024), (64, 195640), (67, 186880), (73, 171520), (80, 156512), (128, 97820), (134, 93440), (146, 85760), (160, 78256), (256, 48910), (268, 46720), (292, 42880), (320, 39128), (335, 37376), (365, 34304), (512, 24455), (536, 23360), (584, 21440), (640, 19564), (670, 18688), (730, 17152), (1072, 11680), (1168, 10720), (1280, 9782), (1340, 9344), (1460, 8576), (2144, 5840), (2336, 5360), (2560, 4891), (2680, 4672), (2920, 4288)]