80771220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2687}}^1$

素因数の和:2869

約数の個数: 72

約数和(自身を含む): 246564864

約数和(自身を除く): 165793644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 668, 835, 1002, 1503, 1670, 2004, 2505, 2687, 3006, 3340, 5010, 5374, 6012, 7515, 8061, 10020, 10748, 13435, 15030, 16122, 24183, 26870, 30060, 32244, 40305, 48366, 53740, 80610, 96732, 120915, 161220, 241830, 448729, 483660, 897458, 1346187, 1794916, 2243645, 2692374, 4038561, 4487290, 5384748, 6730935, 8077122, 8974580, 13461870, 16154244, 20192805, 26923740, 40385610, 80771220]

約数ペア:

[(1, 80771220), (2, 40385610), (3, 26923740), (4, 20192805), (5, 16154244), (6, 13461870), (9, 8974580), (10, 8077122), (12, 6730935), (15, 5384748), (18, 4487290), (20, 4038561), (30, 2692374), (36, 2243645), (45, 1794916), (60, 1346187), (90, 897458), (167, 483660), (180, 448729), (334, 241830), (501, 161220), (668, 120915), (835, 96732), (1002, 80610), (1503, 53740), (1670, 48366), (2004, 40305), (2505, 32244), (2687, 30060), (3006, 26870), (3340, 24183), (5010, 16122), (5374, 15030), (6012, 13435), (7515, 10748), (8061, 10020)]