1215693080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{54959}}^1$

素因数の和:55056

約数の個数: 64

約数和(自身を含む): 3165696000

約数和(自身を除く): 1950002920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 11060, 22120, 54959, 109918, 219836, 274795, 384713, 439672, 549590, 769426, 1099180, 1538852, 1923565, 2198360, 3077704, 3847130, 4341761, 7694260, 8683522, 15388520, 17367044, 21708805, 30392327, 34734088, 43417610, 60784654, 86835220, 121569308, 151961635, 173670440, 243138616, 303923270, 607846540, 1215693080]

約数ペア:

[(1, 1215693080), (2, 607846540), (4, 303923270), (5, 243138616), (7, 173670440), (8, 151961635), (10, 121569308), (14, 86835220), (20, 60784654), (28, 43417610), (35, 34734088), (40, 30392327), (56, 21708805), (70, 17367044), (79, 15388520), (140, 8683522), (158, 7694260), (280, 4341761), (316, 3847130), (395, 3077704), (553, 2198360), (632, 1923565), (790, 1538852), (1106, 1099180), (1580, 769426), (2212, 549590), (2765, 439672), (3160, 384713), (4424, 274795), (5530, 219836), (11060, 109918), (22120, 54959)]