1213863560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{333479}}^1$

素因数の和:333510

約数の個数: 64

約数和(自身を含む): 3361478400

約数和(自身を除く): 2147614840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 333479, 666958, 1333916, 1667395, 2334353, 2667832, 3334790, 4335227, 4668706, 6669580, 8670454, 9337412, 11671765, 13339160, 17340908, 18674824, 21676135, 23343530, 30346589, 34681816, 43352270, 46687060, 60693178, 86704540, 93374120, 121386356, 151732945, 173409080, 242772712, 303465890, 606931780, 1213863560]

約数ペア:

[(1, 1213863560), (2, 606931780), (4, 303465890), (5, 242772712), (7, 173409080), (8, 151732945), (10, 121386356), (13, 93374120), (14, 86704540), (20, 60693178), (26, 46687060), (28, 43352270), (35, 34681816), (40, 30346589), (52, 23343530), (56, 21676135), (65, 18674824), (70, 17340908), (91, 13339160), (104, 11671765), (130, 9337412), (140, 8670454), (182, 6669580), (260, 4668706), (280, 4335227), (364, 3334790), (455, 2667832), (520, 2334353), (728, 1667395), (910, 1333916), (1820, 666958), (3640, 333479)]