81547236

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:423

約数の個数: 120

約数和(自身を含む): 230275584

約数和(自身を除く): 148728348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 31, 36, 46, 54, 62, 69, 81, 92, 93, 108, 124, 138, 162, 186, 207, 276, 279, 324, 353, 372, 414, 558, 621, 706, 713, 828, 837, 1059, 1116, 1242, 1412, 1426, 1674, 1863, 2118, 2139, 2484, 2511, 2852, 3177, 3348, 3726, 4236, 4278, 5022, 6354, 6417, 7452, 8119, 8556, 9531, 10044, 10943, 12708, 12834, 16238, 19062, 19251, 21886, 24357, 25668, 28593, 32476, 32829, 38124, 38502, 43772, 48714, 57186, 57753, 65658, 73071, 77004, 97428, 98487, 114372, 115506, 131316, 146142, 196974, 219213, 231012, 251689, 292284, 295461, 393948, 438426, 503378, 590922, 657639, 755067, 876852, 886383, 1006756, 1181844, 1315278, 1510134, 1772766, 2265201, 2630556, 3020268, 3545532, 4530402, 6795603, 9060804, 13591206, 20386809, 27182412, 40773618, 81547236]

約数ペア:

[(1, 81547236), (2, 40773618), (3, 27182412), (4, 20386809), (6, 13591206), (9, 9060804), (12, 6795603), (18, 4530402), (23, 3545532), (27, 3020268), (31, 2630556), (36, 2265201), (46, 1772766), (54, 1510134), (62, 1315278), (69, 1181844), (81, 1006756), (92, 886383), (93, 876852), (108, 755067), (124, 657639), (138, 590922), (162, 503378), (186, 438426), (207, 393948), (276, 295461), (279, 292284), (324, 251689), (353, 231012), (372, 219213), (414, 196974), (558, 146142), (621, 131316), (706, 115506), (713, 114372), (828, 98487), (837, 97428), (1059, 77004), (1116, 73071), (1242, 65658), (1412, 57753), (1426, 57186), (1674, 48714), (1863, 43772), (2118, 38502), (2139, 38124), (2484, 32829), (2511, 32476), (2852, 28593), (3177, 25668), (3348, 24357), (3726, 21886), (4236, 19251), (4278, 19062), (5022, 16238), (6354, 12834), (6417, 12708), (7452, 10943), (8119, 10044), (8556, 9531)]