1256691840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{654527}}^1$

素因数の和:654549

約数の個数: 64

約数和(自身を含む): 4005711360

約数和(自身を除く): 2749019520

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, 320, 384, 480, 640, 960, 1920, 654527, 1309054, 1963581, 2618108, 3272635, 3927162, 5236216, 6545270, 7854324, 9817905, 10472432, 13090540, 15708648, 19635810, 20944864, 26181080, 31417296, 39271620, 41889728, 52362160, 62834592, 78543240, 83779456, 104724320, 125669184, 157086480, 209448640, 251338368, 314172960, 418897280, 628345920, 1256691840]

約数ペア:

[(1, 1256691840), (2, 628345920), (3, 418897280), (4, 314172960), (5, 251338368), (6, 209448640), (8, 157086480), (10, 125669184), (12, 104724320), (15, 83779456), (16, 78543240), (20, 62834592), (24, 52362160), (30, 41889728), (32, 39271620), (40, 31417296), (48, 26181080), (60, 20944864), (64, 19635810), (80, 15708648), (96, 13090540), (120, 10472432), (128, 9817905), (160, 7854324), (192, 6545270), (240, 5236216), (320, 3927162), (384, 3272635), (480, 2618108), (640, 1963581), (960, 1309054), (1920, 654527)]