2123457840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13591}}^1$

素因数の和:13648

約数の個数: 240

約数和(自身を含む): 8413556736

約数和(自身を除く): 6290098896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5208, 5580, 6510, 7440, 7812, 8680, 9765, 10416, 11160, 13020, 13591, 15624, 17360, 19530, 22320, 26040, 27182, 31248, 39060, 40773, 52080, 54364, 67955, 78120, 81546, 95137, 108728, 122319, 135910, 156240, 163092, 190274, 203865, 217456, 244638, 271820, 285411, 326184, 380548, 407730, 421321, 475685, 489276, 543640, 570822, 611595, 652368, 761096, 815460, 842642, 856233, 951370, 978552, 1087280, 1141644, 1223190, 1263963, 1427055, 1522192, 1630920, 1685284, 1712466, 1902740, 1957104, 2106605, 2283288, 2446380, 2527926, 2854110, 2949247, 3261840, 3370568, 3424932, 3791889, 3805480, 4213210, 4281165, 4566576, 4892760, 5055852, 5708220, 5898494, 6319815, 6741136, 6849864, 7583778, 7610960, 8426420, 8562330, 8847741, 9785520, 10111704, 11416440, 11796988, 12639630, 13699728, 14746235, 15167556, 16852840, 17124660, 17695482, 18959445, 20223408, 22832880, 23593976, 25279260, 26543223, 29492470, 30335112, 33705680, 34249320, 35390964, 37918890, 44238705, 47187952, 50558520, 53086446, 58984940, 60670224, 68498640, 70781928, 75837780, 88477410, 101117040, 106172892, 117969880, 132716115, 141563856, 151675560, 176954820, 212345784, 235939760, 265432230, 303351120, 353909640, 424691568, 530864460, 707819280, 1061728920, 2123457840]

約数ペア:

[(1, 2123457840), (2, 1061728920), (3, 707819280), (4, 530864460), (5, 424691568), (6, 353909640), (7, 303351120), (8, 265432230), (9, 235939760), (10, 212345784), (12, 176954820), (14, 151675560), (15, 141563856), (16, 132716115), (18, 117969880), (20, 106172892), (21, 101117040), (24, 88477410), (28, 75837780), (30, 70781928), (31, 68498640), (35, 60670224), (36, 58984940), (40, 53086446), (42, 50558520), (45, 47187952), (48, 44238705), (56, 37918890), (60, 35390964), (62, 34249320), (63, 33705680), (70, 30335112), (72, 29492470), (80, 26543223), (84, 25279260), (90, 23593976), (93, 22832880), (105, 20223408), (112, 18959445), (120, 17695482), (124, 17124660), (126, 16852840), (140, 15167556), (144, 14746235), (155, 13699728), (168, 12639630), (180, 11796988), (186, 11416440), (210, 10111704), (217, 9785520), (240, 8847741), (248, 8562330), (252, 8426420), (279, 7610960), (280, 7583778), (310, 6849864), (315, 6741136), (336, 6319815), (360, 5898494), (372, 5708220), (420, 5055852), (434, 4892760), (465, 4566576), (496, 4281165), (504, 4213210), (558, 3805480), (560, 3791889), (620, 3424932), (630, 3370568), (651, 3261840), (720, 2949247), (744, 2854110), (840, 2527926), (868, 2446380), (930, 2283288), (1008, 2106605), (1085, 1957104), (1116, 1902740), (1240, 1712466), (1260, 1685284), (1302, 1630920), (1395, 1522192), (1488, 1427055), (1680, 1263963), (1736, 1223190), (1860, 1141644), (1953, 1087280), (2170, 978552), (2232, 951370), (2480, 856233), (2520, 842642), (2604, 815460), (2790, 761096), (3255, 652368), (3472, 611595), (3720, 570822), (3906, 543640), (4340, 489276), (4464, 475685), (5040, 421321), (5208, 407730), (5580, 380548), (6510, 326184), (7440, 285411), (7812, 271820), (8680, 244638), (9765, 217456), (10416, 203865), (11160, 190274), (13020, 163092), (13591, 156240), (15624, 135910), (17360, 122319), (19530, 108728), (22320, 95137), (26040, 81546), (27182, 78120), (31248, 67955), (39060, 54364), (40773, 52080)]