399889920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{52069}}^1$

素因数の和:52095

約数の個数: 80

約数和(自身を含む): 1278422640

約数和(自身を除く): 878532720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 52069, 104138, 156207, 208276, 260345, 312414, 416552, 520690, 624828, 781035, 833104, 1041380, 1249656, 1562070, 1666208, 2082760, 2499312, 3124140, 3332416, 4165520, 4998624, 6248280, 6664832, 8331040, 9997248, 12496560, 13329664, 16662080, 19994496, 24993120, 26659328, 33324160, 39988992, 49986240, 66648320, 79977984, 99972480, 133296640, 199944960, 399889920]

約数ペア:

[(1, 399889920), (2, 199944960), (3, 133296640), (4, 99972480), (5, 79977984), (6, 66648320), (8, 49986240), (10, 39988992), (12, 33324160), (15, 26659328), (16, 24993120), (20, 19994496), (24, 16662080), (30, 13329664), (32, 12496560), (40, 9997248), (48, 8331040), (60, 6664832), (64, 6248280), (80, 4998624), (96, 4165520), (120, 3332416), (128, 3124140), (160, 2499312), (192, 2082760), (240, 1666208), (256, 1562070), (320, 1249656), (384, 1041380), (480, 833104), (512, 781035), (640, 624828), (768, 520690), (960, 416552), (1280, 312414), (1536, 260345), (1920, 208276), (2560, 156207), (3840, 104138), (7680, 52069)]