67399920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 240

約数和(自身を含む): 265554432

約数和(自身を除く): 198154512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 80, 84, 86, 90, 105, 112, 120, 126, 129, 140, 144, 168, 172, 180, 210, 215, 240, 252, 258, 280, 301, 311, 315, 336, 344, 360, 387, 420, 430, 504, 516, 560, 602, 622, 630, 645, 688, 720, 774, 840, 860, 903, 933, 1008, 1032, 1204, 1244, 1260, 1290, 1505, 1548, 1555, 1680, 1720, 1806, 1866, 1935, 2064, 2177, 2408, 2488, 2520, 2580, 2709, 2799, 3010, 3096, 3110, 3440, 3612, 3732, 3870, 4354, 4515, 4665, 4816, 4976, 5040, 5160, 5418, 5598, 6020, 6192, 6220, 6531, 7224, 7464, 7740, 8708, 9030, 9330, 10320, 10836, 10885, 11196, 12040, 12440, 13062, 13373, 13545, 13995, 14448, 14928, 15480, 17416, 18060, 18660, 19593, 21672, 21770, 22392, 24080, 24880, 26124, 26746, 27090, 27990, 30960, 32655, 34832, 36120, 37320, 39186, 40119, 43344, 43540, 44784, 52248, 53492, 54180, 55980, 65310, 66865, 72240, 74640, 78372, 80238, 87080, 93611, 97965, 104496, 106984, 108360, 111960, 120357, 130620, 133730, 156744, 160476, 174160, 187222, 195930, 200595, 213968, 216720, 223920, 240714, 261240, 267460, 280833, 313488, 320952, 374444, 391860, 401190, 468055, 481428, 522480, 534920, 561666, 601785, 641904, 748888, 783720, 802380, 842499, 936110, 962856, 1069840, 1123332, 1203570, 1404165, 1497776, 1567440, 1604760, 1684998, 1872220, 1925712, 2246664, 2407140, 2808330, 3209520, 3369996, 3744440, 4212495, 4493328, 4814280, 5616660, 6739992, 7488880, 8424990, 9628560, 11233320, 13479984, 16849980, 22466640, 33699960, 67399920]

約数ペア:

[(1, 67399920), (2, 33699960), (3, 22466640), (4, 16849980), (5, 13479984), (6, 11233320), (7, 9628560), (8, 8424990), (9, 7488880), (10, 6739992), (12, 5616660), (14, 4814280), (15, 4493328), (16, 4212495), (18, 3744440), (20, 3369996), (21, 3209520), (24, 2808330), (28, 2407140), (30, 2246664), (35, 1925712), (36, 1872220), (40, 1684998), (42, 1604760), (43, 1567440), (45, 1497776), (48, 1404165), (56, 1203570), (60, 1123332), (63, 1069840), (70, 962856), (72, 936110), (80, 842499), (84, 802380), (86, 783720), (90, 748888), (105, 641904), (112, 601785), (120, 561666), (126, 534920), (129, 522480), (140, 481428), (144, 468055), (168, 401190), (172, 391860), (180, 374444), (210, 320952), (215, 313488), (240, 280833), (252, 267460), (258, 261240), (280, 240714), (301, 223920), (311, 216720), (315, 213968), (336, 200595), (344, 195930), (360, 187222), (387, 174160), (420, 160476), (430, 156744), (504, 133730), (516, 130620), (560, 120357), (602, 111960), (622, 108360), (630, 106984), (645, 104496), (688, 97965), (720, 93611), (774, 87080), (840, 80238), (860, 78372), (903, 74640), (933, 72240), (1008, 66865), (1032, 65310), (1204, 55980), (1244, 54180), (1260, 53492), (1290, 52248), (1505, 44784), (1548, 43540), (1555, 43344), (1680, 40119), (1720, 39186), (1806, 37320), (1866, 36120), (1935, 34832), (2064, 32655), (2177, 30960), (2408, 27990), (2488, 27090), (2520, 26746), (2580, 26124), (2709, 24880), (2799, 24080), (3010, 22392), (3096, 21770), (3110, 21672), (3440, 19593), (3612, 18660), (3732, 18060), (3870, 17416), (4354, 15480), (4515, 14928), (4665, 14448), (4816, 13995), (4976, 13545), (5040, 13373), (5160, 13062), (5418, 12440), (5598, 12040), (6020, 11196), (6192, 10885), (6220, 10836), (6531, 10320), (7224, 9330), (7464, 9030), (7740, 8708)]