178606260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{619}}^1$

素因数の和:870

約数の個数: 144

約数和(自身を含む): 622876800

約数和(自身を除く): 444270540

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, 84, 90, 105, 126, 140, 180, 210, 229, 252, 315, 420, 458, 619, 630, 687, 916, 1145, 1238, 1260, 1374, 1603, 1857, 2061, 2290, 2476, 2748, 3095, 3206, 3435, 3714, 4122, 4333, 4580, 4809, 5571, 6190, 6412, 6870, 7428, 8015, 8244, 8666, 9285, 9618, 10305, 11142, 12380, 12999, 13740, 14427, 16030, 17332, 18570, 19236, 20610, 21665, 22284, 24045, 25998, 27855, 28854, 32060, 37140, 38997, 41220, 43330, 48090, 51996, 55710, 57708, 64995, 72135, 77994, 86660, 96180, 111420, 129990, 141751, 144270, 155988, 194985, 259980, 283502, 288540, 389970, 425253, 567004, 708755, 779940, 850506, 992257, 1275759, 1417510, 1701012, 1984514, 2126265, 2551518, 2835020, 2976771, 3969028, 4252530, 4961285, 5103036, 5953542, 6378795, 8505060, 8930313, 9922570, 11907084, 12757590, 14883855, 17860626, 19845140, 25515180, 29767710, 35721252, 44651565, 59535420, 89303130, 178606260]

約数ペア:

[(1, 178606260), (2, 89303130), (3, 59535420), (4, 44651565), (5, 35721252), (6, 29767710), (7, 25515180), (9, 19845140), (10, 17860626), (12, 14883855), (14, 12757590), (15, 11907084), (18, 9922570), (20, 8930313), (21, 8505060), (28, 6378795), (30, 5953542), (35, 5103036), (36, 4961285), (42, 4252530), (45, 3969028), (60, 2976771), (63, 2835020), (70, 2551518), (84, 2126265), (90, 1984514), (105, 1701012), (126, 1417510), (140, 1275759), (180, 992257), (210, 850506), (229, 779940), (252, 708755), (315, 567004), (420, 425253), (458, 389970), (619, 288540), (630, 283502), (687, 259980), (916, 194985), (1145, 155988), (1238, 144270), (1260, 141751), (1374, 129990), (1603, 111420), (1857, 96180), (2061, 86660), (2290, 77994), (2476, 72135), (2748, 64995), (3095, 57708), (3206, 55710), (3435, 51996), (3714, 48090), (4122, 43330), (4333, 41220), (4580, 38997), (4809, 37140), (5571, 32060), (6190, 28854), (6412, 27855), (6870, 25998), (7428, 24045), (8015, 22284), (8244, 21665), (8666, 20610), (9285, 19236), (9618, 18570), (10305, 17332), (11142, 16030), (12380, 14427), (12999, 13740)]