161657808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 475302912

約数和(自身を除く): 313645104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 61, 62, 78, 93, 104, 122, 124, 137, 156, 183, 186, 208, 244, 248, 274, 312, 366, 372, 403, 411, 488, 496, 548, 624, 732, 744, 793, 806, 822, 976, 1096, 1209, 1464, 1488, 1586, 1612, 1644, 1781, 1891, 2192, 2379, 2418, 2928, 3172, 3224, 3288, 3562, 3782, 4247, 4758, 4836, 5343, 5673, 6344, 6448, 6576, 7124, 7564, 8357, 8494, 9516, 9672, 10686, 11346, 12688, 12741, 14248, 15128, 16714, 16988, 19032, 19344, 21372, 22692, 24583, 25071, 25482, 28496, 30256, 33428, 33976, 38064, 42744, 45384, 49166, 50142, 50964, 55211, 66856, 67952, 73749, 85488, 90768, 98332, 100284, 101928, 108641, 110422, 133712, 147498, 165633, 196664, 200568, 203856, 217282, 220844, 259067, 294996, 325923, 331266, 393328, 401136, 434564, 441688, 518134, 589992, 651846, 662532, 777201, 869128, 883376, 1036268, 1179984, 1303692, 1325064, 1554402, 1738256, 2072536, 2607384, 2650128, 3108804, 3367871, 4145072, 5214768, 6217608, 6735742, 10103613, 12435216, 13471484, 20207226, 26942968, 40414452, 53885936, 80828904, 161657808]

約数ペア:

[(1, 161657808), (2, 80828904), (3, 53885936), (4, 40414452), (6, 26942968), (8, 20207226), (12, 13471484), (13, 12435216), (16, 10103613), (24, 6735742), (26, 6217608), (31, 5214768), (39, 4145072), (48, 3367871), (52, 3108804), (61, 2650128), (62, 2607384), (78, 2072536), (93, 1738256), (104, 1554402), (122, 1325064), (124, 1303692), (137, 1179984), (156, 1036268), (183, 883376), (186, 869128), (208, 777201), (244, 662532), (248, 651846), (274, 589992), (312, 518134), (366, 441688), (372, 434564), (403, 401136), (411, 393328), (488, 331266), (496, 325923), (548, 294996), (624, 259067), (732, 220844), (744, 217282), (793, 203856), (806, 200568), (822, 196664), (976, 165633), (1096, 147498), (1209, 133712), (1464, 110422), (1488, 108641), (1586, 101928), (1612, 100284), (1644, 98332), (1781, 90768), (1891, 85488), (2192, 73749), (2379, 67952), (2418, 66856), (2928, 55211), (3172, 50964), (3224, 50142), (3288, 49166), (3562, 45384), (3782, 42744), (4247, 38064), (4758, 33976), (4836, 33428), (5343, 30256), (5673, 28496), (6344, 25482), (6448, 25071), (6576, 24583), (7124, 22692), (7564, 21372), (8357, 19344), (8494, 19032), (9516, 16988), (9672, 16714), (10686, 15128), (11346, 14248), (12688, 12741)]