81033820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 202341888

約数和(自身を除く): 121308068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 67, 70, 106, 134, 140, 163, 212, 265, 268, 326, 335, 371, 469, 530, 652, 670, 742, 815, 938, 1060, 1141, 1340, 1484, 1630, 1855, 1876, 2282, 2345, 3260, 3551, 3710, 4564, 4690, 5705, 7102, 7420, 8639, 9380, 10921, 11410, 14204, 17278, 17755, 21842, 22820, 24857, 34556, 35510, 43195, 43684, 49714, 54605, 60473, 71020, 76447, 86390, 99428, 109210, 120946, 124285, 152894, 172780, 218420, 241892, 248570, 302365, 305788, 382235, 497140, 578813, 604730, 764470, 1157626, 1209460, 1528940, 2315252, 2894065, 4051691, 5788130, 8103382, 11576260, 16206764, 20258455, 40516910, 81033820]

約数ペア:

[(1, 81033820), (2, 40516910), (4, 20258455), (5, 16206764), (7, 11576260), (10, 8103382), (14, 5788130), (20, 4051691), (28, 2894065), (35, 2315252), (53, 1528940), (67, 1209460), (70, 1157626), (106, 764470), (134, 604730), (140, 578813), (163, 497140), (212, 382235), (265, 305788), (268, 302365), (326, 248570), (335, 241892), (371, 218420), (469, 172780), (530, 152894), (652, 124285), (670, 120946), (742, 109210), (815, 99428), (938, 86390), (1060, 76447), (1141, 71020), (1340, 60473), (1484, 54605), (1630, 49714), (1855, 43684), (1876, 43195), (2282, 35510), (2345, 34556), (3260, 24857), (3551, 22820), (3710, 21842), (4564, 17755), (4690, 17278), (5705, 14204), (7102, 11410), (7420, 10921), (8639, 9380)]