261161784

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^4\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 772287360

約数和(自身を除く): 511125576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 127, 156, 169, 234, 254, 312, 338, 381, 468, 507, 508, 676, 762, 936, 1014, 1016, 1143, 1352, 1521, 1524, 1651, 2028, 2197, 2286, 3042, 3048, 3302, 4056, 4394, 4572, 4953, 6084, 6591, 6604, 8788, 9144, 9906, 12168, 13182, 13208, 14859, 17576, 19773, 19812, 21463, 26364, 28561, 29718, 39546, 39624, 42926, 52728, 57122, 59436, 64389, 79092, 85683, 85852, 114244, 118872, 128778, 158184, 171366, 171704, 193167, 228488, 257049, 257556, 279019, 342732, 386334, 514098, 515112, 558038, 685464, 772668, 837057, 1028196, 1116076, 1545336, 1674114, 2056392, 2232152, 2511171, 3348228, 3627247, 5022342, 6696456, 7254494, 10044684, 10881741, 14508988, 20089368, 21763482, 29017976, 32645223, 43526964, 65290446, 87053928, 130580892, 261161784]

約数ペア:

[(1, 261161784), (2, 130580892), (3, 87053928), (4, 65290446), (6, 43526964), (8, 32645223), (9, 29017976), (12, 21763482), (13, 20089368), (18, 14508988), (24, 10881741), (26, 10044684), (36, 7254494), (39, 6696456), (52, 5022342), (72, 3627247), (78, 3348228), (104, 2511171), (117, 2232152), (127, 2056392), (156, 1674114), (169, 1545336), (234, 1116076), (254, 1028196), (312, 837057), (338, 772668), (381, 685464), (468, 558038), (507, 515112), (508, 514098), (676, 386334), (762, 342732), (936, 279019), (1014, 257556), (1016, 257049), (1143, 228488), (1352, 193167), (1521, 171704), (1524, 171366), (1651, 158184), (2028, 128778), (2197, 118872), (2286, 114244), (3042, 85852), (3048, 85683), (3302, 79092), (4056, 64389), (4394, 59436), (4572, 57122), (4953, 52728), (6084, 42926), (6591, 39624), (6604, 39546), (8788, 29718), (9144, 28561), (9906, 26364), (12168, 21463), (13182, 19812), (13208, 19773), (14859, 17576)]