72139760

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 160

約数和(自身を含む): 214272000

約数和(自身を除く): 142132240

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, 239, 245, 280, 308, 343, 385, 392, 440, 478, 490, 539, 560, 616, 686, 770, 784, 880, 956, 980, 1078, 1195, 1232, 1372, 1540, 1673, 1715, 1912, 1960, 2156, 2390, 2629, 2695, 2744, 3080, 3346, 3430, 3773, 3824, 3920, 4312, 4780, 5258, 5390, 5488, 6160, 6692, 6860, 7546, 8365, 8624, 9560, 10516, 10780, 11711, 13145, 13384, 13720, 15092, 16730, 18403, 18865, 19120, 21032, 21560, 23422, 26290, 26768, 27440, 30184, 33460, 36806, 37730, 42064, 43120, 46844, 52580, 58555, 60368, 66920, 73612, 75460, 81977, 92015, 93688, 105160, 117110, 128821, 133840, 147224, 150920, 163954, 184030, 187376, 210320, 234220, 257642, 294448, 301840, 327908, 368060, 409885, 468440, 515284, 644105, 655816, 736120, 819770, 901747, 936880, 1030568, 1288210, 1311632, 1472240, 1639540, 1803494, 2061136, 2576420, 3279080, 3606988, 4508735, 5152840, 6558160, 7213976, 9017470, 10305680, 14427952, 18034940, 36069880, 72139760]

約数ペア:

[(1, 72139760), (2, 36069880), (4, 18034940), (5, 14427952), (7, 10305680), (8, 9017470), (10, 7213976), (11, 6558160), (14, 5152840), (16, 4508735), (20, 3606988), (22, 3279080), (28, 2576420), (35, 2061136), (40, 1803494), (44, 1639540), (49, 1472240), (55, 1311632), (56, 1288210), (70, 1030568), (77, 936880), (80, 901747), (88, 819770), (98, 736120), (110, 655816), (112, 644105), (140, 515284), (154, 468440), (176, 409885), (196, 368060), (220, 327908), (239, 301840), (245, 294448), (280, 257642), (308, 234220), (343, 210320), (385, 187376), (392, 184030), (440, 163954), (478, 150920), (490, 147224), (539, 133840), (560, 128821), (616, 117110), (686, 105160), (770, 93688), (784, 92015), (880, 81977), (956, 75460), (980, 73612), (1078, 66920), (1195, 60368), (1232, 58555), (1372, 52580), (1540, 46844), (1673, 43120), (1715, 42064), (1912, 37730), (1960, 36806), (2156, 33460), (2390, 30184), (2629, 27440), (2695, 26768), (2744, 26290), (3080, 23422), (3346, 21560), (3430, 21032), (3773, 19120), (3824, 18865), (3920, 18403), (4312, 16730), (4780, 15092), (5258, 13720), (5390, 13384), (5488, 13145), (6160, 11711), (6692, 10780), (6860, 10516), (7546, 9560), (8365, 8624)]