161243550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:715

約数の個数: 144

約数和(自身を含む): 478125648

約数和(自身を除く): 316882098

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 43, 45, 50, 65, 75, 78, 86, 90, 117, 129, 130, 150, 195, 215, 225, 234, 258, 325, 387, 390, 430, 450, 559, 585, 641, 645, 650, 774, 975, 1075, 1118, 1170, 1282, 1290, 1677, 1923, 1935, 1950, 2150, 2795, 2925, 3205, 3225, 3354, 3846, 3870, 5031, 5590, 5769, 5850, 6410, 6450, 8333, 8385, 9615, 9675, 10062, 11538, 13975, 16025, 16666, 16770, 19230, 19350, 24999, 25155, 27563, 27950, 28845, 32050, 41665, 41925, 48075, 49998, 50310, 55126, 57690, 74997, 82689, 83330, 83850, 96150, 124995, 125775, 137815, 144225, 149994, 165378, 208325, 248067, 249990, 251550, 275630, 288450, 358319, 374985, 413445, 416650, 496134, 624975, 689075, 716638, 749970, 826890, 1074957, 1240335, 1249950, 1378150, 1791595, 1874925, 2067225, 2149914, 2480670, 3224871, 3583190, 3749850, 4134450, 5374785, 6201675, 6449742, 8957975, 10749570, 12403350, 16124355, 17915950, 26873925, 32248710, 53747850, 80621775, 161243550]

約数ペア:

[(1, 161243550), (2, 80621775), (3, 53747850), (5, 32248710), (6, 26873925), (9, 17915950), (10, 16124355), (13, 12403350), (15, 10749570), (18, 8957975), (25, 6449742), (26, 6201675), (30, 5374785), (39, 4134450), (43, 3749850), (45, 3583190), (50, 3224871), (65, 2480670), (75, 2149914), (78, 2067225), (86, 1874925), (90, 1791595), (117, 1378150), (129, 1249950), (130, 1240335), (150, 1074957), (195, 826890), (215, 749970), (225, 716638), (234, 689075), (258, 624975), (325, 496134), (387, 416650), (390, 413445), (430, 374985), (450, 358319), (559, 288450), (585, 275630), (641, 251550), (645, 249990), (650, 248067), (774, 208325), (975, 165378), (1075, 149994), (1118, 144225), (1170, 137815), (1282, 125775), (1290, 124995), (1677, 96150), (1923, 83850), (1935, 83330), (1950, 82689), (2150, 74997), (2795, 57690), (2925, 55126), (3205, 50310), (3225, 49998), (3354, 48075), (3846, 41925), (3870, 41665), (5031, 32050), (5590, 28845), (5769, 27950), (5850, 27563), (6410, 25155), (6450, 24999), (8333, 19350), (8385, 19230), (9615, 16770), (9675, 16666), (10062, 16025), (11538, 13975)]