1977605280

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{21799}}^1$

素因数の和:21833

約数の個数: 240

約数和(自身を含む): 7976707200

約数和(自身を除く): 5999101920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 21799, 22680, 30240, 43598, 45360, 65397, 87196, 90720, 108995, 130794, 152593, 174392, 196191, 217990, 261588, 305186, 326985, 348784, 392382, 435980, 457779, 523176, 588573, 610372, 653970, 697568, 762965, 784764, 871960, 915558, 980955, 1046352, 1177146, 1220744, 1307940, 1373337, 1525930, 1569528, 1743920, 1765719, 1831116, 1961910, 2092704, 2288895, 2354292, 2441488, 2615880, 2746674, 2942865, 3051860, 3139056, 3487840, 3531438, 3662232, 3923820, 4120011, 4577790, 4708584, 4882976, 5231760, 5493348, 5885730, 6103720, 6278112, 6866685, 7062876, 7324464, 7847640, 8240022, 8828595, 9155580, 9417168, 10463520, 10986696, 11771460, 12207440, 12360033, 13733370, 14125752, 14648928, 15695280, 16480044, 17657190, 18311160, 18834336, 20600055, 21973392, 23542920, 24414880, 24720066, 27466740, 28251504, 31390560, 32960088, 35314380, 36622320, 41200110, 43946784, 47085840, 49440132, 54933480, 56503008, 61800165, 65920176, 70628760, 73244640, 82400220, 94171680, 98880264, 109866960, 123600330, 131840352, 141257520, 164800440, 197760528, 219733920, 247200660, 282515040, 329600880, 395521056, 494401320, 659201760, 988802640, 1977605280]

約数ペア:

[(1, 1977605280), (2, 988802640), (3, 659201760), (4, 494401320), (5, 395521056), (6, 329600880), (7, 282515040), (8, 247200660), (9, 219733920), (10, 197760528), (12, 164800440), (14, 141257520), (15, 131840352), (16, 123600330), (18, 109866960), (20, 98880264), (21, 94171680), (24, 82400220), (27, 73244640), (28, 70628760), (30, 65920176), (32, 61800165), (35, 56503008), (36, 54933480), (40, 49440132), (42, 47085840), (45, 43946784), (48, 41200110), (54, 36622320), (56, 35314380), (60, 32960088), (63, 31390560), (70, 28251504), (72, 27466740), (80, 24720066), (81, 24414880), (84, 23542920), (90, 21973392), (96, 20600055), (105, 18834336), (108, 18311160), (112, 17657190), (120, 16480044), (126, 15695280), (135, 14648928), (140, 14125752), (144, 13733370), (160, 12360033), (162, 12207440), (168, 11771460), (180, 10986696), (189, 10463520), (210, 9417168), (216, 9155580), (224, 8828595), (240, 8240022), (252, 7847640), (270, 7324464), (280, 7062876), (288, 6866685), (315, 6278112), (324, 6103720), (336, 5885730), (360, 5493348), (378, 5231760), (405, 4882976), (420, 4708584), (432, 4577790), (480, 4120011), (504, 3923820), (540, 3662232), (560, 3531438), (567, 3487840), (630, 3139056), (648, 3051860), (672, 2942865), (720, 2746674), (756, 2615880), (810, 2441488), (840, 2354292), (864, 2288895), (945, 2092704), (1008, 1961910), (1080, 1831116), (1120, 1765719), (1134, 1743920), (1260, 1569528), (1296, 1525930), (1440, 1373337), (1512, 1307940), (1620, 1220744), (1680, 1177146), (1890, 1046352), (2016, 980955), (2160, 915558), (2268, 871960), (2520, 784764), (2592, 762965), (2835, 697568), (3024, 653970), (3240, 610372), (3360, 588573), (3780, 523176), (4320, 457779), (4536, 435980), (5040, 392382), (5670, 348784), (6048, 326985), (6480, 305186), (7560, 261588), (9072, 217990), (10080, 196191), (11340, 174392), (12960, 152593), (15120, 130794), (18144, 108995), (21799, 90720), (22680, 87196), (30240, 65397), (43598, 45360)]