1249277440

素因数分解:

$2^9\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2131}}^1$

素因数の和:2383

約数の個数: 80

約数和(自身を含む): 3009829680

約数和(自身を除く): 1760552240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 229, 256, 320, 458, 512, 640, 916, 1145, 1280, 1832, 2131, 2290, 2560, 3664, 4262, 4580, 7328, 8524, 9160, 10655, 14656, 17048, 18320, 21310, 29312, 34096, 36640, 42620, 58624, 68192, 73280, 85240, 117248, 136384, 146560, 170480, 272768, 293120, 340960, 487999, 545536, 586240, 681920, 975998, 1091072, 1363840, 1951996, 2439995, 2727680, 3903992, 4879990, 5455360, 7807984, 9759980, 15615968, 19519960, 31231936, 39039920, 62463872, 78079840, 124927744, 156159680, 249855488, 312319360, 624638720, 1249277440]

約数ペア:

[(1, 1249277440), (2, 624638720), (4, 312319360), (5, 249855488), (8, 156159680), (10, 124927744), (16, 78079840), (20, 62463872), (32, 39039920), (40, 31231936), (64, 19519960), (80, 15615968), (128, 9759980), (160, 7807984), (229, 5455360), (256, 4879990), (320, 3903992), (458, 2727680), (512, 2439995), (640, 1951996), (916, 1363840), (1145, 1091072), (1280, 975998), (1832, 681920), (2131, 586240), (2290, 545536), (2560, 487999), (3664, 340960), (4262, 293120), (4580, 272768), (7328, 170480), (8524, 146560), (9160, 136384), (10655, 117248), (14656, 85240), (17048, 73280), (18320, 68192), (21310, 58624), (29312, 42620), (34096, 36640)]