251381520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 240

約数和(自身を含む): 921316032

約数和(自身を除く): 669934512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 107, 117, 120, 130, 144, 156, 180, 195, 208, 214, 234, 240, 251, 260, 312, 321, 360, 390, 428, 468, 502, 520, 535, 585, 624, 642, 720, 753, 780, 856, 936, 963, 1004, 1040, 1070, 1170, 1255, 1284, 1391, 1506, 1560, 1605, 1712, 1872, 1926, 2008, 2140, 2259, 2340, 2510, 2568, 2782, 3012, 3120, 3210, 3263, 3765, 3852, 4016, 4173, 4280, 4518, 4680, 4815, 5020, 5136, 5564, 6024, 6420, 6526, 6955, 7530, 7704, 8346, 8560, 9036, 9360, 9630, 9789, 10040, 11128, 11295, 12048, 12519, 12840, 13052, 13910, 15060, 15408, 16315, 16692, 18072, 19260, 19578, 20080, 20865, 22256, 22590, 25038, 25680, 26104, 26857, 27820, 29367, 30120, 32630, 33384, 36144, 38520, 39156, 41730, 45180, 48945, 50076, 52208, 53714, 55640, 58734, 60240, 62595, 65260, 66768, 77040, 78312, 80571, 83460, 90360, 97890, 100152, 107428, 111280, 117468, 125190, 130520, 134285, 146835, 156624, 161142, 166920, 180720, 195780, 200304, 214856, 234936, 241713, 250380, 261040, 268570, 293670, 322284, 333840, 349141, 391560, 402855, 429712, 469872, 483426, 500760, 537140, 587340, 644568, 698282, 783120, 805710, 966852, 1001520, 1047423, 1074280, 1174680, 1208565, 1289136, 1396564, 1611420, 1745705, 1933704, 2094846, 2148560, 2349360, 2417130, 2793128, 3142269, 3222840, 3491410, 3867408, 4189692, 4834260, 5237115, 5586256, 6284538, 6445680, 6982820, 8379384, 9668520, 10474230, 12569076, 13965640, 15711345, 16758768, 19337040, 20948460, 25138152, 27931280, 31422690, 41896920, 50276304, 62845380, 83793840, 125690760, 251381520]

約数ペア:

[(1, 251381520), (2, 125690760), (3, 83793840), (4, 62845380), (5, 50276304), (6, 41896920), (8, 31422690), (9, 27931280), (10, 25138152), (12, 20948460), (13, 19337040), (15, 16758768), (16, 15711345), (18, 13965640), (20, 12569076), (24, 10474230), (26, 9668520), (30, 8379384), (36, 6982820), (39, 6445680), (40, 6284538), (45, 5586256), (48, 5237115), (52, 4834260), (60, 4189692), (65, 3867408), (72, 3491410), (78, 3222840), (80, 3142269), (90, 2793128), (104, 2417130), (107, 2349360), (117, 2148560), (120, 2094846), (130, 1933704), (144, 1745705), (156, 1611420), (180, 1396564), (195, 1289136), (208, 1208565), (214, 1174680), (234, 1074280), (240, 1047423), (251, 1001520), (260, 966852), (312, 805710), (321, 783120), (360, 698282), (390, 644568), (428, 587340), (468, 537140), (502, 500760), (520, 483426), (535, 469872), (585, 429712), (624, 402855), (642, 391560), (720, 349141), (753, 333840), (780, 322284), (856, 293670), (936, 268570), (963, 261040), (1004, 250380), (1040, 241713), (1070, 234936), (1170, 214856), (1255, 200304), (1284, 195780), (1391, 180720), (1506, 166920), (1560, 161142), (1605, 156624), (1712, 146835), (1872, 134285), (1926, 130520), (2008, 125190), (2140, 117468), (2259, 111280), (2340, 107428), (2510, 100152), (2568, 97890), (2782, 90360), (3012, 83460), (3120, 80571), (3210, 78312), (3263, 77040), (3765, 66768), (3852, 65260), (4016, 62595), (4173, 60240), (4280, 58734), (4518, 55640), (4680, 53714), (4815, 52208), (5020, 50076), (5136, 48945), (5564, 45180), (6024, 41730), (6420, 39156), (6526, 38520), (6955, 36144), (7530, 33384), (7704, 32630), (8346, 30120), (8560, 29367), (9036, 27820), (9360, 26857), (9630, 26104), (9789, 25680), (10040, 25038), (11128, 22590), (11295, 22256), (12048, 20865), (12519, 20080), (12840, 19578), (13052, 19260), (13910, 18072), (15060, 16692), (15408, 16315)]