28908720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{40151}}^1$

素因数の和:40170

約数の個数: 60

約数和(自身を含む): 97087536

約数和(自身を除く): 68178816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 40151, 80302, 120453, 160604, 200755, 240906, 321208, 361359, 401510, 481812, 602265, 642416, 722718, 803020, 963624, 1204530, 1445436, 1606040, 1806795, 1927248, 2409060, 2890872, 3212080, 3613590, 4818120, 5781744, 7227180, 9636240, 14454360, 28908720]

約数ペア:

[(1, 28908720), (2, 14454360), (3, 9636240), (4, 7227180), (5, 5781744), (6, 4818120), (8, 3613590), (9, 3212080), (10, 2890872), (12, 2409060), (15, 1927248), (16, 1806795), (18, 1606040), (20, 1445436), (24, 1204530), (30, 963624), (36, 803020), (40, 722718), (45, 642416), (48, 602265), (60, 481812), (72, 401510), (80, 361359), (90, 321208), (120, 240906), (144, 200755), (180, 160604), (240, 120453), (360, 80302), (720, 40151)]