245796816

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 651450368

約数和(自身を除く): 405653552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 127, 183, 244, 254, 366, 381, 488, 508, 661, 732, 762, 976, 1016, 1322, 1464, 1524, 1983, 2032, 2644, 2928, 3048, 3966, 5288, 6096, 7747, 7932, 10576, 15494, 15864, 23241, 30988, 31728, 40321, 46482, 61976, 80642, 83947, 92964, 120963, 123952, 161284, 167894, 185928, 241926, 251841, 322568, 335788, 371856, 483852, 503682, 645136, 671576, 967704, 1007364, 1343152, 1935408, 2014728, 4029456, 5120767, 10241534, 15362301, 20483068, 30724602, 40966136, 61449204, 81932272, 122898408, 245796816]

約数ペア:

[(1, 245796816), (2, 122898408), (3, 81932272), (4, 61449204), (6, 40966136), (8, 30724602), (12, 20483068), (16, 15362301), (24, 10241534), (48, 5120767), (61, 4029456), (122, 2014728), (127, 1935408), (183, 1343152), (244, 1007364), (254, 967704), (366, 671576), (381, 645136), (488, 503682), (508, 483852), (661, 371856), (732, 335788), (762, 322568), (976, 251841), (1016, 241926), (1322, 185928), (1464, 167894), (1524, 161284), (1983, 123952), (2032, 120963), (2644, 92964), (2928, 83947), (3048, 80642), (3966, 61976), (5288, 46482), (6096, 40321), (7747, 31728), (7932, 30988), (10576, 23241), (15494, 15864)]