55375740

素因数分解:

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

素因数の和:712

約数の個数: 144

約数和(自身を含む): 194987520

約数和(自身を除く): 139611780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 619, 630, 639, 710, 852, 994, 1065, 1238, 1260, 1278, 1420, 1491, 1857, 1988, 2130, 2476, 2485, 2556, 2982, 3095, 3195, 3714, 4260, 4333, 4473, 4970, 5571, 5964, 6190, 6390, 7428, 7455, 8666, 8946, 9285, 9940, 11142, 12380, 12780, 12999, 14910, 17332, 17892, 18570, 21665, 22284, 22365, 25998, 27855, 29820, 37140, 38997, 43330, 43949, 44730, 51996, 55710, 64995, 77994, 86660, 87898, 89460, 111420, 129990, 131847, 155988, 175796, 194985, 219745, 259980, 263694, 307643, 389970, 395541, 439490, 527388, 615286, 659235, 779940, 791082, 878980, 922929, 1230572, 1318470, 1538215, 1582164, 1845858, 1977705, 2636940, 2768787, 3076430, 3691716, 3955410, 4614645, 5537574, 6152860, 7910820, 9229290, 11075148, 13843935, 18458580, 27687870, 55375740]

約数ペア:

[(1, 55375740), (2, 27687870), (3, 18458580), (4, 13843935), (5, 11075148), (6, 9229290), (7, 7910820), (9, 6152860), (10, 5537574), (12, 4614645), (14, 3955410), (15, 3691716), (18, 3076430), (20, 2768787), (21, 2636940), (28, 1977705), (30, 1845858), (35, 1582164), (36, 1538215), (42, 1318470), (45, 1230572), (60, 922929), (63, 878980), (70, 791082), (71, 779940), (84, 659235), (90, 615286), (105, 527388), (126, 439490), (140, 395541), (142, 389970), (180, 307643), (210, 263694), (213, 259980), (252, 219745), (284, 194985), (315, 175796), (355, 155988), (420, 131847), (426, 129990), (497, 111420), (619, 89460), (630, 87898), (639, 86660), (710, 77994), (852, 64995), (994, 55710), (1065, 51996), (1238, 44730), (1260, 43949), (1278, 43330), (1420, 38997), (1491, 37140), (1857, 29820), (1988, 27855), (2130, 25998), (2476, 22365), (2485, 22284), (2556, 21665), (2982, 18570), (3095, 17892), (3195, 17332), (3714, 14910), (4260, 12999), (4333, 12780), (4473, 12380), (4970, 11142), (5571, 9940), (5964, 9285), (6190, 8946), (6390, 8666), (7428, 7455)]