246478720

素因数分解:

$2^7\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1091}}^1$

素因数の和:1463

約数の個数: 64

約数和(自身を含む): 591449040

約数和(自身を除く): 344970320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 353, 640, 706, 1091, 1412, 1765, 2182, 2824, 3530, 4364, 5455, 5648, 7060, 8728, 10910, 11296, 14120, 17456, 21820, 22592, 28240, 34912, 43640, 45184, 56480, 69824, 87280, 112960, 139648, 174560, 225920, 349120, 385123, 698240, 770246, 1540492, 1925615, 3080984, 3851230, 6161968, 7702460, 12323936, 15404920, 24647872, 30809840, 49295744, 61619680, 123239360, 246478720]

約数ペア:

[(1, 246478720), (2, 123239360), (4, 61619680), (5, 49295744), (8, 30809840), (10, 24647872), (16, 15404920), (20, 12323936), (32, 7702460), (40, 6161968), (64, 3851230), (80, 3080984), (128, 1925615), (160, 1540492), (320, 770246), (353, 698240), (640, 385123), (706, 349120), (1091, 225920), (1412, 174560), (1765, 139648), (2182, 112960), (2824, 87280), (3530, 69824), (4364, 56480), (5455, 45184), (5648, 43640), (7060, 34912), (8728, 28240), (10910, 22592), (11296, 21820), (14120, 17456)]