120929720

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{16703}}^1$

素因数の和:16895

約数の個数: 32

約数和(自身を含む): 273611520

約数和(自身を除く): 152681800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 16703, 33406, 66812, 83515, 133624, 167030, 334060, 668120, 3023243, 6046486, 12092972, 15116215, 24185944, 30232430, 60464860, 120929720]

約数ペア:

[(1, 120929720), (2, 60464860), (4, 30232430), (5, 24185944), (8, 15116215), (10, 12092972), (20, 6046486), (40, 3023243), (181, 668120), (362, 334060), (724, 167030), (905, 133624), (1448, 83515), (1810, 66812), (3620, 33406), (7240, 16703)]