78091920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{108461}}^1$

素因数の和:108480

約数の個数: 60

約数和(自身を含む): 262261116

約数和(自身を除く): 184169196

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, 108461, 216922, 325383, 433844, 542305, 650766, 867688, 976149, 1084610, 1301532, 1626915, 1735376, 1952298, 2169220, 2603064, 3253830, 3904596, 4338440, 4880745, 5206128, 6507660, 7809192, 8676880, 9761490, 13015320, 15618384, 19522980, 26030640, 39045960, 78091920]

約数ペア:

[(1, 78091920), (2, 39045960), (3, 26030640), (4, 19522980), (5, 15618384), (6, 13015320), (8, 9761490), (9, 8676880), (10, 7809192), (12, 6507660), (15, 5206128), (16, 4880745), (18, 4338440), (20, 3904596), (24, 3253830), (30, 2603064), (36, 2169220), (40, 1952298), (45, 1735376), (48, 1626915), (60, 1301532), (72, 1084610), (80, 976149), (90, 867688), (120, 650766), (144, 542305), (180, 433844), (240, 325383), (360, 216922), (720, 108461)]