80828904

素因数分解:

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

素因数の和:251

約数の個数: 128

約数和(自身を含む): 229985280

約数和(自身を除く): 149156376

約数列:

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

約数ペア:

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