722021220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{26921}}^1$

素因数の和:27085

約数の個数: 72

約数和(自身を含む): 2204911800

約数和(自身を除く): 1482890580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6705, 8940, 13410, 26820, 26921, 53842, 80763, 107684, 134605, 161526, 242289, 269210, 323052, 403815, 484578, 538420, 807630, 969156, 1211445, 1615260, 2422890, 4011229, 4845780, 8022458, 12033687, 16044916, 20056145, 24067374, 36101061, 40112290, 48134748, 60168435, 72202122, 80224580, 120336870, 144404244, 180505305, 240673740, 361010610, 722021220]

約数ペア:

[(1, 722021220), (2, 361010610), (3, 240673740), (4, 180505305), (5, 144404244), (6, 120336870), (9, 80224580), (10, 72202122), (12, 60168435), (15, 48134748), (18, 40112290), (20, 36101061), (30, 24067374), (36, 20056145), (45, 16044916), (60, 12033687), (90, 8022458), (149, 4845780), (180, 4011229), (298, 2422890), (447, 1615260), (596, 1211445), (745, 969156), (894, 807630), (1341, 538420), (1490, 484578), (1788, 403815), (2235, 323052), (2682, 269210), (2980, 242289), (4470, 161526), (5364, 134605), (6705, 107684), (8940, 80763), (13410, 53842), (26820, 26921)]