212779980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:517

約数の個数: 192

約数和(自身を含む): 763176960

約数和(自身を除く): 550396980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 181, 189, 210, 252, 270, 311, 315, 362, 378, 420, 540, 543, 622, 630, 724, 756, 905, 933, 945, 1086, 1244, 1260, 1267, 1555, 1629, 1810, 1866, 1890, 2172, 2177, 2534, 2715, 2799, 3110, 3258, 3620, 3732, 3780, 3801, 4354, 4665, 4887, 5068, 5430, 5598, 6220, 6335, 6516, 6531, 7602, 8145, 8397, 8708, 9330, 9774, 10860, 10885, 11196, 11403, 12670, 13062, 13995, 15204, 16290, 16794, 18660, 19005, 19548, 19593, 21770, 22806, 24435, 25340, 26124, 27990, 32580, 32655, 33588, 34209, 38010, 39186, 41985, 43540, 45612, 48870, 55980, 56291, 57015, 58779, 65310, 68418, 76020, 78372, 83970, 97740, 97965, 112582, 114030, 117558, 130620, 136836, 167940, 168873, 171045, 195930, 225164, 228060, 235116, 281455, 293895, 337746, 342090, 391860, 394037, 506619, 562910, 587790, 675492, 684180, 788074, 844365, 1013238, 1125820, 1175580, 1182111, 1519857, 1576148, 1688730, 1970185, 2026476, 2364222, 2533095, 3039714, 3377460, 3546333, 3940370, 4728444, 5066190, 5910555, 6079428, 7092666, 7599285, 7880740, 10132380, 10638999, 11821110, 14185332, 15198570, 17731665, 21277998, 23642220, 30397140, 35463330, 42555996, 53194995, 70926660, 106389990, 212779980]

約数ペア:

[(1, 212779980), (2, 106389990), (3, 70926660), (4, 53194995), (5, 42555996), (6, 35463330), (7, 30397140), (9, 23642220), (10, 21277998), (12, 17731665), (14, 15198570), (15, 14185332), (18, 11821110), (20, 10638999), (21, 10132380), (27, 7880740), (28, 7599285), (30, 7092666), (35, 6079428), (36, 5910555), (42, 5066190), (45, 4728444), (54, 3940370), (60, 3546333), (63, 3377460), (70, 3039714), (84, 2533095), (90, 2364222), (105, 2026476), (108, 1970185), (126, 1688730), (135, 1576148), (140, 1519857), (180, 1182111), (181, 1175580), (189, 1125820), (210, 1013238), (252, 844365), (270, 788074), (311, 684180), (315, 675492), (362, 587790), (378, 562910), (420, 506619), (540, 394037), (543, 391860), (622, 342090), (630, 337746), (724, 293895), (756, 281455), (905, 235116), (933, 228060), (945, 225164), (1086, 195930), (1244, 171045), (1260, 168873), (1267, 167940), (1555, 136836), (1629, 130620), (1810, 117558), (1866, 114030), (1890, 112582), (2172, 97965), (2177, 97740), (2534, 83970), (2715, 78372), (2799, 76020), (3110, 68418), (3258, 65310), (3620, 58779), (3732, 57015), (3780, 56291), (3801, 55980), (4354, 48870), (4665, 45612), (4887, 43540), (5068, 41985), (5430, 39186), (5598, 38010), (6220, 34209), (6335, 33588), (6516, 32655), (6531, 32580), (7602, 27990), (8145, 26124), (8397, 25340), (8708, 24435), (9330, 22806), (9774, 21770), (10860, 19593), (10885, 19548), (11196, 19005), (11403, 18660), (12670, 16794), (13062, 16290), (13995, 15204)]