260235720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{240959}}^1$

素因数の和:240979

約数の個数: 64

約数和(自身を含む): 867456000

約数和(自身を除く): 607220280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 240959, 481918, 722877, 963836, 1204795, 1445754, 1927672, 2168631, 2409590, 2891508, 3614385, 4337262, 4819180, 5783016, 6505893, 7228770, 8674524, 9638360, 10843155, 13011786, 14457540, 17349048, 21686310, 26023572, 28915080, 32529465, 43372620, 52047144, 65058930, 86745240, 130117860, 260235720]

約数ペア:

[(1, 260235720), (2, 130117860), (3, 86745240), (4, 65058930), (5, 52047144), (6, 43372620), (8, 32529465), (9, 28915080), (10, 26023572), (12, 21686310), (15, 17349048), (18, 14457540), (20, 13011786), (24, 10843155), (27, 9638360), (30, 8674524), (36, 7228770), (40, 6505893), (45, 5783016), (54, 4819180), (60, 4337262), (72, 3614385), (90, 2891508), (108, 2409590), (120, 2168631), (135, 1927672), (180, 1445754), (216, 1204795), (270, 963836), (360, 722877), (540, 481918), (1080, 240959)]