220781106

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 609638400

約数和(自身を除く): 388857294

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 179, 182, 189, 234, 251, 273, 351, 358, 378, 502, 537, 546, 702, 753, 819, 1074, 1253, 1506, 1611, 1638, 1757, 2259, 2327, 2457, 2506, 3222, 3263, 3514, 3759, 4518, 4654, 4833, 4914, 5271, 6526, 6777, 6981, 7518, 9666, 9789, 10542, 11277, 13554, 13962, 15813, 16289, 19578, 20943, 22554, 22841, 29367, 31626, 32578, 33831, 41886, 44929, 45682, 47439, 48867, 58734, 62829, 67662, 68523, 88101, 89858, 94878, 97734, 125658, 134787, 137046, 146601, 176202, 205569, 269574, 293202, 314503, 404361, 411138, 439803, 584077, 616707, 629006, 808722, 879606, 943509, 1168154, 1213083, 1233414, 1752231, 1887018, 2426166, 2830527, 3504462, 4088539, 5256693, 5661054, 8177078, 8491581, 10513386, 12265617, 15770079, 16983162, 24531234, 31540158, 36796851, 73593702, 110390553, 220781106]

約数ペア:

[(1, 220781106), (2, 110390553), (3, 73593702), (6, 36796851), (7, 31540158), (9, 24531234), (13, 16983162), (14, 15770079), (18, 12265617), (21, 10513386), (26, 8491581), (27, 8177078), (39, 5661054), (42, 5256693), (54, 4088539), (63, 3504462), (78, 2830527), (91, 2426166), (117, 1887018), (126, 1752231), (179, 1233414), (182, 1213083), (189, 1168154), (234, 943509), (251, 879606), (273, 808722), (351, 629006), (358, 616707), (378, 584077), (502, 439803), (537, 411138), (546, 404361), (702, 314503), (753, 293202), (819, 269574), (1074, 205569), (1253, 176202), (1506, 146601), (1611, 137046), (1638, 134787), (1757, 125658), (2259, 97734), (2327, 94878), (2457, 89858), (2506, 88101), (3222, 68523), (3263, 67662), (3514, 62829), (3759, 58734), (4518, 48867), (4654, 47439), (4833, 45682), (4914, 44929), (5271, 41886), (6526, 33831), (6777, 32578), (6981, 31626), (7518, 29367), (9666, 22841), (9789, 22554), (10542, 20943), (11277, 19578), (13554, 16289), (13962, 15813)]