215280420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 616412160

約数和(自身を除く): 401131740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 139, 166, 249, 278, 311, 332, 415, 417, 498, 556, 622, 695, 830, 834, 933, 996, 1244, 1245, 1390, 1555, 1660, 1668, 1866, 2085, 2490, 2780, 3110, 3732, 4170, 4665, 4980, 6220, 8340, 9330, 11537, 18660, 23074, 25813, 34611, 43229, 46148, 51626, 57685, 69222, 77439, 86458, 103252, 115370, 129065, 129687, 138444, 154878, 172916, 173055, 216145, 230740, 258130, 259374, 309756, 346110, 387195, 432290, 516260, 518748, 648435, 692220, 774390, 864580, 1296870, 1548780, 2593740, 3588007, 7176014, 10764021, 14352028, 17940035, 21528042, 35880070, 43056084, 53820105, 71760140, 107640210, 215280420]

約数ペア:

[(1, 215280420), (2, 107640210), (3, 71760140), (4, 53820105), (5, 43056084), (6, 35880070), (10, 21528042), (12, 17940035), (15, 14352028), (20, 10764021), (30, 7176014), (60, 3588007), (83, 2593740), (139, 1548780), (166, 1296870), (249, 864580), (278, 774390), (311, 692220), (332, 648435), (415, 518748), (417, 516260), (498, 432290), (556, 387195), (622, 346110), (695, 309756), (830, 259374), (834, 258130), (933, 230740), (996, 216145), (1244, 173055), (1245, 172916), (1390, 154878), (1555, 138444), (1660, 129687), (1668, 129065), (1866, 115370), (2085, 103252), (2490, 86458), (2780, 77439), (3110, 69222), (3732, 57685), (4170, 51626), (4665, 46148), (4980, 43229), (6220, 34611), (8340, 25813), (9330, 23074), (11537, 18660)]