217233720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4987}}^1$

素因数の和:5026

約数の個数: 144

約数和(自身を含む): 776182680

約数和(自身を除く): 558948960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1815, 1980, 2178, 2420, 2904, 3630, 3960, 4356, 4840, 4987, 5445, 7260, 8712, 9974, 10890, 14520, 14961, 19948, 21780, 24935, 29922, 39896, 43560, 44883, 49870, 54857, 59844, 74805, 89766, 99740, 109714, 119688, 149610, 164571, 179532, 199480, 219428, 224415, 274285, 299220, 329142, 359064, 438856, 448830, 493713, 548570, 598440, 603427, 658284, 822855, 897660, 987426, 1097140, 1206854, 1316568, 1645710, 1795320, 1810281, 1974852, 2194280, 2413708, 2468565, 3017135, 3291420, 3620562, 3949704, 4827416, 4937130, 5430843, 6034270, 6582840, 7241124, 9051405, 9874260, 10861686, 12068540, 14482248, 18102810, 19748520, 21723372, 24137080, 27154215, 36205620, 43446744, 54308430, 72411240, 108616860, 217233720]

約数ペア:

[(1, 217233720), (2, 108616860), (3, 72411240), (4, 54308430), (5, 43446744), (6, 36205620), (8, 27154215), (9, 24137080), (10, 21723372), (11, 19748520), (12, 18102810), (15, 14482248), (18, 12068540), (20, 10861686), (22, 9874260), (24, 9051405), (30, 7241124), (33, 6582840), (36, 6034270), (40, 5430843), (44, 4937130), (45, 4827416), (55, 3949704), (60, 3620562), (66, 3291420), (72, 3017135), (88, 2468565), (90, 2413708), (99, 2194280), (110, 1974852), (120, 1810281), (121, 1795320), (132, 1645710), (165, 1316568), (180, 1206854), (198, 1097140), (220, 987426), (242, 897660), (264, 822855), (330, 658284), (360, 603427), (363, 598440), (396, 548570), (440, 493713), (484, 448830), (495, 438856), (605, 359064), (660, 329142), (726, 299220), (792, 274285), (968, 224415), (990, 219428), (1089, 199480), (1210, 179532), (1320, 164571), (1452, 149610), (1815, 119688), (1980, 109714), (2178, 99740), (2420, 89766), (2904, 74805), (3630, 59844), (3960, 54857), (4356, 49870), (4840, 44883), (4987, 43560), (5445, 39896), (7260, 29922), (8712, 24935), (9974, 21780), (10890, 19948), (14520, 14961)]