180027440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97841}}^1$

素因数の和:97877

約数の個数: 40

約数和(自身を含む): 436766688

約数和(自身を除く): 256739248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 97841, 195682, 391364, 489205, 782728, 978410, 1565456, 1956820, 2250343, 3913640, 4500686, 7827280, 9001372, 11251715, 18002744, 22503430, 36005488, 45006860, 90013720, 180027440]

約数ペア:

[(1, 180027440), (2, 90013720), (4, 45006860), (5, 36005488), (8, 22503430), (10, 18002744), (16, 11251715), (20, 9001372), (23, 7827280), (40, 4500686), (46, 3913640), (80, 2250343), (92, 1956820), (115, 1565456), (184, 978410), (230, 782728), (368, 489205), (460, 391364), (920, 195682), (1840, 97841)]