217022960

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:764

約数の個数: 160

約数和(自身を含む): 642816000

約数和(自身を除く): 425793040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 560, 616, 686, 719, 770, 784, 880, 980, 1078, 1232, 1372, 1438, 1540, 1715, 1960, 2156, 2695, 2744, 2876, 3080, 3430, 3595, 3773, 3920, 4312, 5033, 5390, 5488, 5752, 6160, 6860, 7190, 7546, 7909, 8624, 10066, 10780, 11504, 13720, 14380, 15092, 15818, 18865, 20132, 21560, 25165, 27440, 28760, 30184, 31636, 35231, 37730, 39545, 40264, 43120, 50330, 55363, 57520, 60368, 63272, 70462, 75460, 79090, 80528, 100660, 110726, 126544, 140924, 150920, 158180, 176155, 201320, 221452, 246617, 276815, 281848, 301840, 316360, 352310, 387541, 402640, 442904, 493234, 553630, 563696, 632720, 704620, 775082, 885808, 986468, 1107260, 1233085, 1409240, 1550164, 1937705, 1972936, 2214520, 2466170, 2712787, 2818480, 3100328, 3875410, 3945872, 4429040, 4932340, 5425574, 6200656, 7750820, 9864680, 10851148, 13563935, 15501640, 19729360, 21702296, 27127870, 31003280, 43404592, 54255740, 108511480, 217022960]

約数ペア:

[(1, 217022960), (2, 108511480), (4, 54255740), (5, 43404592), (7, 31003280), (8, 27127870), (10, 21702296), (11, 19729360), (14, 15501640), (16, 13563935), (20, 10851148), (22, 9864680), (28, 7750820), (35, 6200656), (40, 5425574), (44, 4932340), (49, 4429040), (55, 3945872), (56, 3875410), (70, 3100328), (77, 2818480), (80, 2712787), (88, 2466170), (98, 2214520), (110, 1972936), (112, 1937705), (140, 1550164), (154, 1409240), (176, 1233085), (196, 1107260), (220, 986468), (245, 885808), (280, 775082), (308, 704620), (343, 632720), (385, 563696), (392, 553630), (440, 493234), (490, 442904), (539, 402640), (560, 387541), (616, 352310), (686, 316360), (719, 301840), (770, 281848), (784, 276815), (880, 246617), (980, 221452), (1078, 201320), (1232, 176155), (1372, 158180), (1438, 150920), (1540, 140924), (1715, 126544), (1960, 110726), (2156, 100660), (2695, 80528), (2744, 79090), (2876, 75460), (3080, 70462), (3430, 63272), (3595, 60368), (3773, 57520), (3920, 55363), (4312, 50330), (5033, 43120), (5390, 40264), (5488, 39545), (5752, 37730), (6160, 35231), (6860, 31636), (7190, 30184), (7546, 28760), (7909, 27440), (8624, 25165), (10066, 21560), (10780, 20132), (11504, 18865), (13720, 15818), (14380, 15092)]