220834320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131449}}^1$

素因数の和:131472

約数の個数: 80

約数和(自身を含む): 782390400

約数和(自身を除く): 561556080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 131449, 262898, 394347, 525796, 657245, 788694, 920143, 1051592, 1314490, 1577388, 1840286, 1971735, 2103184, 2628980, 2760429, 3154776, 3680572, 3943470, 4600715, 5257960, 5520858, 6309552, 7361144, 7886940, 9201430, 10515920, 11041716, 13802145, 14722288, 15773880, 18402860, 22083432, 27604290, 31547760, 36805720, 44166864, 55208580, 73611440, 110417160, 220834320]

約数ペア:

[(1, 220834320), (2, 110417160), (3, 73611440), (4, 55208580), (5, 44166864), (6, 36805720), (7, 31547760), (8, 27604290), (10, 22083432), (12, 18402860), (14, 15773880), (15, 14722288), (16, 13802145), (20, 11041716), (21, 10515920), (24, 9201430), (28, 7886940), (30, 7361144), (35, 6309552), (40, 5520858), (42, 5257960), (48, 4600715), (56, 3943470), (60, 3680572), (70, 3154776), (80, 2760429), (84, 2628980), (105, 2103184), (112, 1971735), (120, 1840286), (140, 1577388), (168, 1314490), (210, 1051592), (240, 920143), (280, 788694), (336, 657245), (420, 525796), (560, 394347), (840, 262898), (1680, 131449)]