78864840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:365

約数の個数: 160

約数和(自身を含む): 268808760

約数和(自身を除く): 189943920

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, 81, 90, 101, 108, 120, 135, 162, 180, 202, 216, 241, 270, 303, 324, 360, 404, 405, 482, 505, 540, 606, 648, 723, 808, 810, 909, 964, 1010, 1080, 1205, 1212, 1446, 1515, 1620, 1818, 1928, 2020, 2169, 2410, 2424, 2727, 2892, 3030, 3240, 3615, 3636, 4040, 4338, 4545, 4820, 5454, 5784, 6060, 6507, 7230, 7272, 8181, 8676, 9090, 9640, 10845, 10908, 12120, 13014, 13635, 14460, 16362, 17352, 18180, 19521, 21690, 21816, 24341, 26028, 27270, 28920, 32535, 32724, 36360, 39042, 40905, 43380, 48682, 52056, 54540, 65070, 65448, 73023, 78084, 81810, 86760, 97364, 97605, 109080, 121705, 130140, 146046, 156168, 163620, 194728, 195210, 219069, 243410, 260280, 292092, 327240, 365115, 390420, 438138, 486820, 584184, 657207, 730230, 780840, 876276, 973640, 1095345, 1314414, 1460460, 1752552, 1971621, 2190690, 2628828, 2920920, 3286035, 3943242, 4381380, 5257656, 6572070, 7886484, 8762760, 9858105, 13144140, 15772968, 19716210, 26288280, 39432420, 78864840]

約数ペア:

[(1, 78864840), (2, 39432420), (3, 26288280), (4, 19716210), (5, 15772968), (6, 13144140), (8, 9858105), (9, 8762760), (10, 7886484), (12, 6572070), (15, 5257656), (18, 4381380), (20, 3943242), (24, 3286035), (27, 2920920), (30, 2628828), (36, 2190690), (40, 1971621), (45, 1752552), (54, 1460460), (60, 1314414), (72, 1095345), (81, 973640), (90, 876276), (101, 780840), (108, 730230), (120, 657207), (135, 584184), (162, 486820), (180, 438138), (202, 390420), (216, 365115), (241, 327240), (270, 292092), (303, 260280), (324, 243410), (360, 219069), (404, 195210), (405, 194728), (482, 163620), (505, 156168), (540, 146046), (606, 130140), (648, 121705), (723, 109080), (808, 97605), (810, 97364), (909, 86760), (964, 81810), (1010, 78084), (1080, 73023), (1205, 65448), (1212, 65070), (1446, 54540), (1515, 52056), (1620, 48682), (1818, 43380), (1928, 40905), (2020, 39042), (2169, 36360), (2410, 32724), (2424, 32535), (2727, 28920), (2892, 27270), (3030, 26028), (3240, 24341), (3615, 21816), (3636, 21690), (4040, 19521), (4338, 18180), (4545, 17352), (4820, 16362), (5454, 14460), (5784, 13635), (6060, 13014), (6507, 12120), (7230, 10908), (7272, 10845), (8181, 9640), (8676, 9090)]