128868720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{536953}}^1$

素因数の和:536969

約数の個数: 40

約数和(自身を含む): 399493776

約数和(自身を除く): 270625056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 536953, 1073906, 1610859, 2147812, 2684765, 3221718, 4295624, 5369530, 6443436, 8054295, 8591248, 10739060, 12886872, 16108590, 21478120, 25773744, 32217180, 42956240, 64434360, 128868720]

約数ペア:

[(1, 128868720), (2, 64434360), (3, 42956240), (4, 32217180), (5, 25773744), (6, 21478120), (8, 16108590), (10, 12886872), (12, 10739060), (15, 8591248), (16, 8054295), (20, 6443436), (24, 5369530), (30, 4295624), (40, 3221718), (48, 2684765), (60, 2147812), (80, 1610859), (120, 1073906), (240, 536953)]