260451720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{691}}^1$

素因数の和:1060

約数の個数: 128

約数和(自身を含む): 871920000

約数和(自身を除く): 611468280

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, 349, 360, 540, 691, 698, 1047, 1080, 1382, 1396, 1745, 2073, 2094, 2764, 2792, 3141, 3455, 3490, 4146, 4188, 5235, 5528, 6219, 6282, 6910, 6980, 8292, 8376, 9423, 10365, 10470, 12438, 12564, 13820, 13960, 15705, 16584, 18657, 18846, 20730, 20940, 24876, 25128, 27640, 31095, 31410, 37314, 37692, 41460, 41880, 47115, 49752, 62190, 62820, 74628, 75384, 82920, 93285, 94230, 124380, 125640, 149256, 186570, 188460, 241159, 248760, 373140, 376920, 482318, 723477, 746280, 964636, 1205795, 1446954, 1929272, 2170431, 2411590, 2893908, 3617385, 4340862, 4823180, 5787816, 6511293, 7234770, 8681724, 9646360, 10852155, 13022586, 14469540, 17363448, 21704310, 26045172, 28939080, 32556465, 43408620, 52090344, 65112930, 86817240, 130225860, 260451720]

約数ペア:

[(1, 260451720), (2, 130225860), (3, 86817240), (4, 65112930), (5, 52090344), (6, 43408620), (8, 32556465), (9, 28939080), (10, 26045172), (12, 21704310), (15, 17363448), (18, 14469540), (20, 13022586), (24, 10852155), (27, 9646360), (30, 8681724), (36, 7234770), (40, 6511293), (45, 5787816), (54, 4823180), (60, 4340862), (72, 3617385), (90, 2893908), (108, 2411590), (120, 2170431), (135, 1929272), (180, 1446954), (216, 1205795), (270, 964636), (349, 746280), (360, 723477), (540, 482318), (691, 376920), (698, 373140), (1047, 248760), (1080, 241159), (1382, 188460), (1396, 186570), (1745, 149256), (2073, 125640), (2094, 124380), (2764, 94230), (2792, 93285), (3141, 82920), (3455, 75384), (3490, 74628), (4146, 62820), (4188, 62190), (5235, 49752), (5528, 47115), (6219, 41880), (6282, 41460), (6910, 37692), (6980, 37314), (8292, 31410), (8376, 31095), (9423, 27640), (10365, 25128), (10470, 24876), (12438, 20940), (12564, 20730), (13820, 18846), (13960, 18657), (15705, 16584)]