1277762940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{8753}}^1$

素因数の和:9579

約数の個数: 72

約数和(自身を含む): 3881103408

約数和(自身を除く): 2603340468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 811, 1622, 2433, 3244, 4055, 4866, 7299, 8110, 8753, 9732, 12165, 14598, 16220, 17506, 24330, 26259, 29196, 35012, 36495, 43765, 48660, 52518, 72990, 78777, 87530, 105036, 131295, 145980, 157554, 175060, 262590, 315108, 393885, 525180, 787770, 1575540, 7098683, 14197366, 21296049, 28394732, 35493415, 42592098, 63888147, 70986830, 85184196, 106480245, 127776294, 141973660, 212960490, 255552588, 319440735, 425920980, 638881470, 1277762940]

約数ペア:

[(1, 1277762940), (2, 638881470), (3, 425920980), (4, 319440735), (5, 255552588), (6, 212960490), (9, 141973660), (10, 127776294), (12, 106480245), (15, 85184196), (18, 70986830), (20, 63888147), (30, 42592098), (36, 35493415), (45, 28394732), (60, 21296049), (90, 14197366), (180, 7098683), (811, 1575540), (1622, 787770), (2433, 525180), (3244, 393885), (4055, 315108), (4866, 262590), (7299, 175060), (8110, 157554), (8753, 145980), (9732, 131295), (12165, 105036), (14598, 87530), (16220, 78777), (17506, 72990), (24330, 52518), (26259, 48660), (29196, 43765), (35012, 36495)]