261876468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 779878400

約数和(自身を除く): 518001932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 57, 62, 67, 76, 79, 84, 93, 114, 124, 133, 134, 158, 186, 201, 217, 228, 237, 266, 268, 316, 372, 399, 402, 434, 469, 474, 532, 553, 589, 651, 798, 804, 868, 938, 948, 1106, 1178, 1273, 1302, 1407, 1501, 1596, 1659, 1767, 1876, 2077, 2212, 2356, 2449, 2546, 2604, 2814, 3002, 3318, 3534, 3819, 4123, 4154, 4503, 4898, 5092, 5293, 5628, 6004, 6231, 6636, 7068, 7347, 7638, 8246, 8308, 8911, 9006, 9796, 10507, 10586, 12369, 12462, 14539, 14694, 15276, 15879, 16492, 17143, 17822, 18012, 21014, 21172, 24738, 24924, 26733, 29078, 29388, 31521, 31758, 34286, 35644, 37051, 39463, 42028, 43617, 46531, 49476, 51429, 53466, 58156, 63042, 63516, 68572, 74102, 78926, 87234, 93062, 100567, 102858, 106932, 111153, 118389, 126084, 139593, 148204, 157852, 164083, 174468, 186124, 201134, 205716, 222306, 236778, 276241, 279186, 301701, 325717, 328166, 402268, 444612, 473556, 492249, 552482, 558372, 603402, 651434, 656332, 703969, 828723, 977151, 984498, 1104964, 1148581, 1206804, 1302868, 1407938, 1657446, 1954302, 1968996, 2111907, 2297162, 2815876, 3117577, 3314892, 3445743, 3908604, 4223814, 4594324, 6235154, 6891486, 8447628, 9352731, 12470308, 13782972, 18705462, 21823039, 37410924, 43646078, 65469117, 87292156, 130938234, 261876468]

約数ペア:

[(1, 261876468), (2, 130938234), (3, 87292156), (4, 65469117), (6, 43646078), (7, 37410924), (12, 21823039), (14, 18705462), (19, 13782972), (21, 12470308), (28, 9352731), (31, 8447628), (38, 6891486), (42, 6235154), (57, 4594324), (62, 4223814), (67, 3908604), (76, 3445743), (79, 3314892), (84, 3117577), (93, 2815876), (114, 2297162), (124, 2111907), (133, 1968996), (134, 1954302), (158, 1657446), (186, 1407938), (201, 1302868), (217, 1206804), (228, 1148581), (237, 1104964), (266, 984498), (268, 977151), (316, 828723), (372, 703969), (399, 656332), (402, 651434), (434, 603402), (469, 558372), (474, 552482), (532, 492249), (553, 473556), (589, 444612), (651, 402268), (798, 328166), (804, 325717), (868, 301701), (938, 279186), (948, 276241), (1106, 236778), (1178, 222306), (1273, 205716), (1302, 201134), (1407, 186124), (1501, 174468), (1596, 164083), (1659, 157852), (1767, 148204), (1876, 139593), (2077, 126084), (2212, 118389), (2356, 111153), (2449, 106932), (2546, 102858), (2604, 100567), (2814, 93062), (3002, 87234), (3318, 78926), (3534, 74102), (3819, 68572), (4123, 63516), (4154, 63042), (4503, 58156), (4898, 53466), (5092, 51429), (5293, 49476), (5628, 46531), (6004, 43617), (6231, 42028), (6636, 39463), (7068, 37051), (7347, 35644), (7638, 34286), (8246, 31758), (8308, 31521), (8911, 29388), (9006, 29078), (9796, 26733), (10507, 24924), (10586, 24738), (12369, 21172), (12462, 21014), (14539, 18012), (14694, 17822), (15276, 17143), (15879, 16492)]