205738920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{967}}^1$

素因数の和:1184

約数の個数: 128

約数和(自身を含む): 689990400

約数和(自身を除く): 484251480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 197, 216, 270, 360, 394, 540, 591, 788, 967, 985, 1080, 1182, 1576, 1773, 1934, 1970, 2364, 2901, 2955, 3546, 3868, 3940, 4728, 4835, 5319, 5802, 5910, 7092, 7736, 7880, 8703, 8865, 9670, 10638, 11604, 11820, 14184, 14505, 17406, 17730, 19340, 21276, 23208, 23640, 26109, 26595, 29010, 34812, 35460, 38680, 42552, 43515, 52218, 53190, 58020, 69624, 70920, 87030, 104436, 106380, 116040, 130545, 174060, 190499, 208872, 212760, 261090, 348120, 380998, 522180, 571497, 761996, 952495, 1044360, 1142994, 1523992, 1714491, 1904990, 2285988, 2857485, 3428982, 3809980, 4571976, 5143473, 5714970, 6857964, 7619960, 8572455, 10286946, 11429940, 13715928, 17144910, 20573892, 22859880, 25717365, 34289820, 41147784, 51434730, 68579640, 102869460, 205738920]

約数ペア:

[(1, 205738920), (2, 102869460), (3, 68579640), (4, 51434730), (5, 41147784), (6, 34289820), (8, 25717365), (9, 22859880), (10, 20573892), (12, 17144910), (15, 13715928), (18, 11429940), (20, 10286946), (24, 8572455), (27, 7619960), (30, 6857964), (36, 5714970), (40, 5143473), (45, 4571976), (54, 3809980), (60, 3428982), (72, 2857485), (90, 2285988), (108, 1904990), (120, 1714491), (135, 1523992), (180, 1142994), (197, 1044360), (216, 952495), (270, 761996), (360, 571497), (394, 522180), (540, 380998), (591, 348120), (788, 261090), (967, 212760), (985, 208872), (1080, 190499), (1182, 174060), (1576, 130545), (1773, 116040), (1934, 106380), (1970, 104436), (2364, 87030), (2901, 70920), (2955, 69624), (3546, 58020), (3868, 53190), (3940, 52218), (4728, 43515), (4835, 42552), (5319, 38680), (5802, 35460), (5910, 34812), (7092, 29010), (7736, 26595), (7880, 26109), (8703, 23640), (8865, 23208), (9670, 21276), (10638, 19340), (11604, 17730), (11820, 17406), (14184, 14505)]