399183360

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{51977}}^1$

素因数の和:52003

約数の個数: 80

約数和(自身を含む): 1276163856

約数和(自身を除く): 876980496

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, 51977, 103954, 155931, 207908, 259885, 311862, 415816, 519770, 623724, 779655, 831632, 1039540, 1247448, 1559310, 1663264, 2079080, 2494896, 3118620, 3326528, 4158160, 4989792, 6237240, 6653056, 8316320, 9979584, 12474480, 13306112, 16632640, 19959168, 24948960, 26612224, 33265280, 39918336, 49897920, 66530560, 79836672, 99795840, 133061120, 199591680, 399183360]

約数ペア:

[(1, 399183360), (2, 199591680), (3, 133061120), (4, 99795840), (5, 79836672), (6, 66530560), (8, 49897920), (10, 39918336), (12, 33265280), (15, 26612224), (16, 24948960), (20, 19959168), (24, 16632640), (30, 13306112), (32, 12474480), (40, 9979584), (48, 8316320), (60, 6653056), (64, 6237240), (80, 4989792), (96, 4158160), (120, 3326528), (128, 3118620), (160, 2494896), (192, 2079080), (240, 1663264), (256, 1559310), (320, 1247448), (384, 1039540), (480, 831632), (512, 779655), (640, 623724), (768, 519770), (960, 415816), (1280, 311862), (1536, 259885), (1920, 207908), (2560, 155931), (3840, 103954), (7680, 51977)]