320664780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9043}}^1$

素因数の和:9255

約数の個数: 72

約数和(自身を含む): 977728752

約数和(自身を除く): 657063972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5910, 7092, 8865, 9043, 11820, 17730, 18086, 27129, 35460, 36172, 45215, 54258, 81387, 90430, 108516, 135645, 162774, 180860, 271290, 325548, 406935, 542580, 813870, 1627740, 1781471, 3562942, 5344413, 7125884, 8907355, 10688826, 16033239, 17814710, 21377652, 26722065, 32066478, 35629420, 53444130, 64132956, 80166195, 106888260, 160332390, 320664780]

約数ペア:

[(1, 320664780), (2, 160332390), (3, 106888260), (4, 80166195), (5, 64132956), (6, 53444130), (9, 35629420), (10, 32066478), (12, 26722065), (15, 21377652), (18, 17814710), (20, 16033239), (30, 10688826), (36, 8907355), (45, 7125884), (60, 5344413), (90, 3562942), (180, 1781471), (197, 1627740), (394, 813870), (591, 542580), (788, 406935), (985, 325548), (1182, 271290), (1773, 180860), (1970, 162774), (2364, 135645), (2955, 108516), (3546, 90430), (3940, 81387), (5910, 54258), (7092, 45215), (8865, 36172), (9043, 35460), (11820, 27129), (17730, 18086)]