1781182140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:924

約数の個数: 144

約数和(自身を含む): 5343273600

約数和(自身を除く): 3562091460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 139, 170, 204, 255, 278, 289, 340, 417, 510, 556, 578, 695, 739, 834, 867, 1020, 1156, 1390, 1445, 1478, 1668, 1734, 2085, 2217, 2363, 2780, 2890, 2956, 3468, 3695, 4170, 4335, 4434, 4726, 5780, 7089, 7390, 8340, 8670, 8868, 9452, 11085, 11815, 12563, 14178, 14780, 17340, 22170, 23630, 25126, 28356, 35445, 37689, 40171, 44340, 47260, 50252, 62815, 70890, 75378, 80342, 102721, 120513, 125630, 141780, 150756, 160684, 188445, 200855, 205442, 213571, 241026, 251260, 308163, 376890, 401710, 410884, 427142, 482052, 513605, 602565, 616326, 640713, 753780, 803420, 854284, 1027210, 1067855, 1205130, 1232652, 1281426, 1540815, 1746257, 2054420, 2135710, 2410260, 2562852, 3081630, 3203565, 3492514, 4271420, 5238771, 6163260, 6407130, 6985028, 8731285, 10477542, 12814260, 17462570, 20955084, 26193855, 29686369, 34925140, 52387710, 59372738, 89059107, 104775420, 118745476, 148431845, 178118214, 296863690, 356236428, 445295535, 593727380, 890591070, 1781182140]

約数ペア:

[(1, 1781182140), (2, 890591070), (3, 593727380), (4, 445295535), (5, 356236428), (6, 296863690), (10, 178118214), (12, 148431845), (15, 118745476), (17, 104775420), (20, 89059107), (30, 59372738), (34, 52387710), (51, 34925140), (60, 29686369), (68, 26193855), (85, 20955084), (102, 17462570), (139, 12814260), (170, 10477542), (204, 8731285), (255, 6985028), (278, 6407130), (289, 6163260), (340, 5238771), (417, 4271420), (510, 3492514), (556, 3203565), (578, 3081630), (695, 2562852), (739, 2410260), (834, 2135710), (867, 2054420), (1020, 1746257), (1156, 1540815), (1390, 1281426), (1445, 1232652), (1478, 1205130), (1668, 1067855), (1734, 1027210), (2085, 854284), (2217, 803420), (2363, 753780), (2780, 640713), (2890, 616326), (2956, 602565), (3468, 513605), (3695, 482052), (4170, 427142), (4335, 410884), (4434, 401710), (4726, 376890), (5780, 308163), (7089, 251260), (7390, 241026), (8340, 213571), (8670, 205442), (8868, 200855), (9452, 188445), (11085, 160684), (11815, 150756), (12563, 141780), (14178, 125630), (14780, 120513), (17340, 102721), (22170, 80342), (23630, 75378), (25126, 70890), (28356, 62815), (35445, 50252), (37689, 47260), (40171, 44340)]