491352480

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1281

約数の個数: 240

約数和(自身を含む): 1791465984

約数和(自身を除く): 1300113504

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 240, 248, 270, 279, 288, 310, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 620, 648, 720, 744, 810, 837, 864, 930, 992, 1080, 1116, 1223, 1240, 1296, 1395, 1440, 1488, 1620, 1674, 1860, 2160, 2232, 2446, 2480, 2511, 2592, 2790, 2976, 3240, 3348, 3669, 3720, 4185, 4320, 4464, 4892, 4960, 5022, 5580, 6115, 6480, 6696, 7338, 7440, 8370, 8928, 9784, 10044, 11007, 11160, 12230, 12555, 12960, 13392, 14676, 14880, 16740, 18345, 19568, 20088, 22014, 22320, 24460, 25110, 26784, 29352, 33021, 33480, 36690, 37913, 39136, 40176, 44028, 44640, 48920, 50220, 55035, 58704, 66042, 66960, 73380, 75826, 80352, 88056, 97840, 99063, 100440, 110070, 113739, 117408, 132084, 133920, 146760, 151652, 165105, 176112, 189565, 195680, 198126, 200880, 220140, 227478, 264168, 293520, 303304, 330210, 341217, 352224, 379130, 396252, 401760, 440280, 454956, 495315, 528336, 568695, 587040, 606608, 660420, 682434, 758260, 792504, 880560, 909912, 990630, 1023651, 1056672, 1137390, 1213216, 1320840, 1364868, 1516520, 1585008, 1706085, 1761120, 1819824, 1981260, 2047302, 2274780, 2641680, 2729736, 3033040, 3070953, 3170016, 3412170, 3639648, 3962520, 4094604, 4549560, 5118255, 5283360, 5459472, 6066080, 6141906, 6824340, 7925040, 8189208, 9099120, 10236510, 10918944, 12283812, 13648680, 15354765, 15850080, 16378416, 18198240, 20473020, 24567624, 27297360, 30709530, 32756832, 40946040, 49135248, 54594720, 61419060, 81892080, 98270496, 122838120, 163784160, 245676240, 491352480]

約数ペア:

[(1, 491352480), (2, 245676240), (3, 163784160), (4, 122838120), (5, 98270496), (6, 81892080), (8, 61419060), (9, 54594720), (10, 49135248), (12, 40946040), (15, 32756832), (16, 30709530), (18, 27297360), (20, 24567624), (24, 20473020), (27, 18198240), (30, 16378416), (31, 15850080), (32, 15354765), (36, 13648680), (40, 12283812), (45, 10918944), (48, 10236510), (54, 9099120), (60, 8189208), (62, 7925040), (72, 6824340), (80, 6141906), (81, 6066080), (90, 5459472), (93, 5283360), (96, 5118255), (108, 4549560), (120, 4094604), (124, 3962520), (135, 3639648), (144, 3412170), (155, 3170016), (160, 3070953), (162, 3033040), (180, 2729736), (186, 2641680), (216, 2274780), (240, 2047302), (248, 1981260), (270, 1819824), (279, 1761120), (288, 1706085), (310, 1585008), (324, 1516520), (360, 1364868), (372, 1320840), (405, 1213216), (432, 1137390), (465, 1056672), (480, 1023651), (496, 990630), (540, 909912), (558, 880560), (620, 792504), (648, 758260), (720, 682434), (744, 660420), (810, 606608), (837, 587040), (864, 568695), (930, 528336), (992, 495315), (1080, 454956), (1116, 440280), (1223, 401760), (1240, 396252), (1296, 379130), (1395, 352224), (1440, 341217), (1488, 330210), (1620, 303304), (1674, 293520), (1860, 264168), (2160, 227478), (2232, 220140), (2446, 200880), (2480, 198126), (2511, 195680), (2592, 189565), (2790, 176112), (2976, 165105), (3240, 151652), (3348, 146760), (3669, 133920), (3720, 132084), (4185, 117408), (4320, 113739), (4464, 110070), (4892, 100440), (4960, 99063), (5022, 97840), (5580, 88056), (6115, 80352), (6480, 75826), (6696, 73380), (7338, 66960), (7440, 66042), (8370, 58704), (8928, 55035), (9784, 50220), (10044, 48920), (11007, 44640), (11160, 44028), (12230, 40176), (12555, 39136), (12960, 37913), (13392, 36690), (14676, 33480), (14880, 33021), (16740, 29352), (18345, 26784), (19568, 25110), (20088, 24460), (22014, 22320)]