212823680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:698

約数の個数: 128

約数和(自身を含む): 556968960

約数和(自身を除く): 344145280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 631, 640, 680, 992, 1054, 1088, 1240, 1262, 1360, 1984, 2108, 2176, 2480, 2524, 2635, 2720, 3155, 3968, 4216, 4960, 5048, 5270, 5440, 6310, 8432, 9920, 10096, 10540, 10727, 10880, 12620, 16864, 19561, 19840, 20192, 21080, 21454, 25240, 33728, 39122, 40384, 42160, 42908, 50480, 53635, 67456, 78244, 80768, 84320, 85816, 97805, 100960, 107270, 156488, 168640, 171632, 195610, 201920, 214540, 312976, 332537, 337280, 343264, 391220, 403840, 429080, 625952, 665074, 686528, 782440, 858160, 1251904, 1330148, 1373056, 1564880, 1662685, 1716320, 2503808, 2660296, 3129760, 3325370, 3432640, 5320592, 6259520, 6650740, 6865280, 10641184, 12519040, 13301480, 21282368, 26602960, 42564736, 53205920, 106411840, 212823680]

約数ペア:

[(1, 212823680), (2, 106411840), (4, 53205920), (5, 42564736), (8, 26602960), (10, 21282368), (16, 13301480), (17, 12519040), (20, 10641184), (31, 6865280), (32, 6650740), (34, 6259520), (40, 5320592), (62, 3432640), (64, 3325370), (68, 3129760), (80, 2660296), (85, 2503808), (124, 1716320), (128, 1662685), (136, 1564880), (155, 1373056), (160, 1330148), (170, 1251904), (248, 858160), (272, 782440), (310, 686528), (320, 665074), (340, 625952), (496, 429080), (527, 403840), (544, 391220), (620, 343264), (631, 337280), (640, 332537), (680, 312976), (992, 214540), (1054, 201920), (1088, 195610), (1240, 171632), (1262, 168640), (1360, 156488), (1984, 107270), (2108, 100960), (2176, 97805), (2480, 85816), (2524, 84320), (2635, 80768), (2720, 78244), (3155, 67456), (3968, 53635), (4216, 50480), (4960, 42908), (5048, 42160), (5270, 40384), (5440, 39122), (6310, 33728), (8432, 25240), (9920, 21454), (10096, 21080), (10540, 20192), (10727, 19840), (10880, 19561), (12620, 16864)]