221502960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:716

約数の個数: 240

約数和(自身を含む): 863516160

約数和(自身を除く): 642013200

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, 45, 48, 56, 60, 63, 70, 71, 72, 80, 84, 90, 105, 112, 120, 126, 140, 142, 144, 168, 180, 210, 213, 240, 252, 280, 284, 315, 336, 355, 360, 420, 426, 497, 504, 560, 568, 619, 630, 639, 710, 720, 840, 852, 994, 1008, 1065, 1136, 1238, 1260, 1278, 1420, 1491, 1680, 1704, 1857, 1988, 2130, 2476, 2485, 2520, 2556, 2840, 2982, 3095, 3195, 3408, 3714, 3976, 4260, 4333, 4473, 4952, 4970, 5040, 5112, 5571, 5680, 5964, 6190, 6390, 7428, 7455, 7952, 8520, 8666, 8946, 9285, 9904, 9940, 10224, 11142, 11928, 12380, 12780, 12999, 14856, 14910, 17040, 17332, 17892, 18570, 19880, 21665, 22284, 22365, 23856, 24760, 25560, 25998, 27855, 29712, 29820, 34664, 35784, 37140, 38997, 39760, 43330, 43949, 44568, 44730, 49520, 51120, 51996, 55710, 59640, 64995, 69328, 71568, 74280, 77994, 86660, 87898, 89136, 89460, 103992, 111420, 119280, 129990, 131847, 148560, 155988, 173320, 175796, 178920, 194985, 207984, 219745, 222840, 259980, 263694, 307643, 311976, 346640, 351592, 357840, 389970, 395541, 439490, 445680, 519960, 527388, 615286, 623952, 659235, 703184, 779940, 791082, 878980, 922929, 1039920, 1054776, 1230572, 1318470, 1538215, 1559880, 1582164, 1757960, 1845858, 1977705, 2109552, 2461144, 2636940, 2768787, 3076430, 3119760, 3164328, 3515920, 3691716, 3955410, 4614645, 4922288, 5273880, 5537574, 6152860, 6328656, 7383432, 7910820, 9229290, 10547760, 11075148, 12305720, 13843935, 14766864, 15821640, 18458580, 22150296, 24611440, 27687870, 31643280, 36917160, 44300592, 55375740, 73834320, 110751480, 221502960]

約数ペア:

[(1, 221502960), (2, 110751480), (3, 73834320), (4, 55375740), (5, 44300592), (6, 36917160), (7, 31643280), (8, 27687870), (9, 24611440), (10, 22150296), (12, 18458580), (14, 15821640), (15, 14766864), (16, 13843935), (18, 12305720), (20, 11075148), (21, 10547760), (24, 9229290), (28, 7910820), (30, 7383432), (35, 6328656), (36, 6152860), (40, 5537574), (42, 5273880), (45, 4922288), (48, 4614645), (56, 3955410), (60, 3691716), (63, 3515920), (70, 3164328), (71, 3119760), (72, 3076430), (80, 2768787), (84, 2636940), (90, 2461144), (105, 2109552), (112, 1977705), (120, 1845858), (126, 1757960), (140, 1582164), (142, 1559880), (144, 1538215), (168, 1318470), (180, 1230572), (210, 1054776), (213, 1039920), (240, 922929), (252, 878980), (280, 791082), (284, 779940), (315, 703184), (336, 659235), (355, 623952), (360, 615286), (420, 527388), (426, 519960), (497, 445680), (504, 439490), (560, 395541), (568, 389970), (619, 357840), (630, 351592), (639, 346640), (710, 311976), (720, 307643), (840, 263694), (852, 259980), (994, 222840), (1008, 219745), (1065, 207984), (1136, 194985), (1238, 178920), (1260, 175796), (1278, 173320), (1420, 155988), (1491, 148560), (1680, 131847), (1704, 129990), (1857, 119280), (1988, 111420), (2130, 103992), (2476, 89460), (2485, 89136), (2520, 87898), (2556, 86660), (2840, 77994), (2982, 74280), (3095, 71568), (3195, 69328), (3408, 64995), (3714, 59640), (3976, 55710), (4260, 51996), (4333, 51120), (4473, 49520), (4952, 44730), (4970, 44568), (5040, 43949), (5112, 43330), (5571, 39760), (5680, 38997), (5964, 37140), (6190, 35784), (6390, 34664), (7428, 29820), (7455, 29712), (7952, 27855), (8520, 25998), (8666, 25560), (8946, 24760), (9285, 23856), (9904, 22365), (9940, 22284), (10224, 21665), (11142, 19880), (11928, 18570), (12380, 17892), (12780, 17332), (12999, 17040), (14856, 14910)]