70989660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:672

約数の個数: 144

約数和(自身を含む): 248941056

約数和(自身を除く): 177951396

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 103, 105, 126, 140, 180, 206, 210, 252, 309, 315, 412, 420, 515, 547, 618, 630, 721, 927, 1030, 1094, 1236, 1260, 1442, 1545, 1641, 1854, 2060, 2163, 2188, 2735, 2884, 3090, 3282, 3605, 3708, 3829, 4326, 4635, 4923, 5470, 6180, 6489, 6564, 7210, 7658, 8205, 8652, 9270, 9846, 10815, 10940, 11487, 12978, 14420, 15316, 16410, 18540, 19145, 19692, 21630, 22974, 24615, 25956, 32445, 32820, 34461, 38290, 43260, 45948, 49230, 56341, 57435, 64890, 68922, 76580, 98460, 112682, 114870, 129780, 137844, 169023, 172305, 225364, 229740, 281705, 338046, 344610, 394387, 507069, 563410, 676092, 689220, 788774, 845115, 1014138, 1126820, 1183161, 1577548, 1690230, 1971935, 2028276, 2366322, 2535345, 3380460, 3549483, 3943870, 4732644, 5070690, 5915805, 7098966, 7887740, 10141380, 11831610, 14197932, 17747415, 23663220, 35494830, 70989660]

約数ペア:

[(1, 70989660), (2, 35494830), (3, 23663220), (4, 17747415), (5, 14197932), (6, 11831610), (7, 10141380), (9, 7887740), (10, 7098966), (12, 5915805), (14, 5070690), (15, 4732644), (18, 3943870), (20, 3549483), (21, 3380460), (28, 2535345), (30, 2366322), (35, 2028276), (36, 1971935), (42, 1690230), (45, 1577548), (60, 1183161), (63, 1126820), (70, 1014138), (84, 845115), (90, 788774), (103, 689220), (105, 676092), (126, 563410), (140, 507069), (180, 394387), (206, 344610), (210, 338046), (252, 281705), (309, 229740), (315, 225364), (412, 172305), (420, 169023), (515, 137844), (547, 129780), (618, 114870), (630, 112682), (721, 98460), (927, 76580), (1030, 68922), (1094, 64890), (1236, 57435), (1260, 56341), (1442, 49230), (1545, 45948), (1641, 43260), (1854, 38290), (2060, 34461), (2163, 32820), (2188, 32445), (2735, 25956), (2884, 24615), (3090, 22974), (3282, 21630), (3605, 19692), (3708, 19145), (3829, 18540), (4326, 16410), (4635, 15316), (4923, 14420), (5470, 12978), (6180, 11487), (6489, 10940), (6564, 10815), (7210, 9846), (7658, 9270), (8205, 8652)]