72738540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{2749}}^1$

素因数の和:2781

約数の個数: 144

約数和(自身を含む): 263340000

約数和(自身を除く): 190601460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2749, 2940, 3780, 4410, 5292, 5498, 6615, 8247, 8820, 10996, 13230, 13745, 16494, 19243, 24741, 26460, 27490, 32988, 38486, 41235, 49482, 54980, 57729, 74223, 76972, 82470, 96215, 98964, 115458, 123705, 134701, 148446, 164940, 173187, 192430, 230916, 247410, 269402, 288645, 296892, 346374, 371115, 384860, 404103, 494820, 519561, 538804, 577290, 673505, 692748, 742230, 808206, 865935, 1039122, 1154580, 1212309, 1347010, 1484460, 1616412, 1731870, 2020515, 2078244, 2424618, 2597805, 2694020, 3463740, 3636927, 4041030, 4849236, 5195610, 6061545, 7273854, 8082060, 10391220, 12123090, 14547708, 18184635, 24246180, 36369270, 72738540]

約数ペア:

[(1, 72738540), (2, 36369270), (3, 24246180), (4, 18184635), (5, 14547708), (6, 12123090), (7, 10391220), (9, 8082060), (10, 7273854), (12, 6061545), (14, 5195610), (15, 4849236), (18, 4041030), (20, 3636927), (21, 3463740), (27, 2694020), (28, 2597805), (30, 2424618), (35, 2078244), (36, 2020515), (42, 1731870), (45, 1616412), (49, 1484460), (54, 1347010), (60, 1212309), (63, 1154580), (70, 1039122), (84, 865935), (90, 808206), (98, 742230), (105, 692748), (108, 673505), (126, 577290), (135, 538804), (140, 519561), (147, 494820), (180, 404103), (189, 384860), (196, 371115), (210, 346374), (245, 296892), (252, 288645), (270, 269402), (294, 247410), (315, 230916), (378, 192430), (420, 173187), (441, 164940), (490, 148446), (540, 134701), (588, 123705), (630, 115458), (735, 98964), (756, 96215), (882, 82470), (945, 76972), (980, 74223), (1260, 57729), (1323, 54980), (1470, 49482), (1764, 41235), (1890, 38486), (2205, 32988), (2646, 27490), (2749, 26460), (2940, 24741), (3780, 19243), (4410, 16494), (5292, 13745), (5498, 13230), (6615, 10996), (8247, 8820)]