15575560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 47174400

約数和(自身を除く): 31598840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 389, 440, 455, 520, 572, 616, 715, 728, 770, 778, 910, 1001, 1144, 1430, 1540, 1556, 1820, 1945, 2002, 2723, 2860, 3080, 3112, 3640, 3890, 4004, 4279, 5005, 5057, 5446, 5720, 7780, 8008, 8558, 10010, 10114, 10892, 13615, 15560, 17116, 20020, 20228, 21395, 21784, 25285, 27230, 29953, 34232, 35399, 40040, 40456, 42790, 50570, 54460, 55627, 59906, 70798, 85580, 101140, 108920, 111254, 119812, 141596, 149765, 171160, 176995, 202280, 222508, 239624, 278135, 283192, 299530, 353990, 389389, 445016, 556270, 599060, 707980, 778778, 1112540, 1198120, 1415960, 1557556, 1946945, 2225080, 3115112, 3893890, 7787780, 15575560]

約数ペア:

[(1, 15575560), (2, 7787780), (4, 3893890), (5, 3115112), (7, 2225080), (8, 1946945), (10, 1557556), (11, 1415960), (13, 1198120), (14, 1112540), (20, 778778), (22, 707980), (26, 599060), (28, 556270), (35, 445016), (40, 389389), (44, 353990), (52, 299530), (55, 283192), (56, 278135), (65, 239624), (70, 222508), (77, 202280), (88, 176995), (91, 171160), (104, 149765), (110, 141596), (130, 119812), (140, 111254), (143, 108920), (154, 101140), (182, 85580), (220, 70798), (260, 59906), (280, 55627), (286, 54460), (308, 50570), (364, 42790), (385, 40456), (389, 40040), (440, 35399), (455, 34232), (520, 29953), (572, 27230), (616, 25285), (715, 21784), (728, 21395), (770, 20228), (778, 20020), (910, 17116), (1001, 15560), (1144, 13615), (1430, 10892), (1540, 10114), (1556, 10010), (1820, 8558), (1945, 8008), (2002, 7780), (2723, 5720), (2860, 5446), (3080, 5057), (3112, 5005), (3640, 4279), (3890, 4004)]