642443256

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3163}}^1$

素因数の和:3226

約数の個数: 192

約数和(自身を含む): 2211256320

約数和(自身を除く): 1568813064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 31, 36, 39, 42, 52, 56, 62, 63, 72, 78, 84, 91, 93, 104, 117, 124, 126, 156, 168, 182, 186, 217, 234, 248, 252, 273, 279, 312, 364, 372, 403, 434, 468, 504, 546, 558, 651, 728, 744, 806, 819, 868, 936, 1092, 1116, 1209, 1302, 1612, 1638, 1736, 1953, 2184, 2232, 2418, 2604, 2821, 3163, 3224, 3276, 3627, 3906, 4836, 5208, 5642, 6326, 6552, 7254, 7812, 8463, 9489, 9672, 11284, 12652, 14508, 15624, 16926, 18978, 22141, 22568, 25304, 25389, 28467, 29016, 33852, 37956, 41119, 44282, 50778, 56934, 66423, 67704, 75912, 82238, 88564, 98053, 101556, 113868, 123357, 132846, 164476, 177128, 196106, 199269, 203112, 227736, 246714, 265692, 287833, 294159, 328952, 370071, 392212, 398538, 493428, 531384, 575666, 588318, 686371, 740142, 784424, 797076, 863499, 882477, 986856, 1151332, 1176636, 1274689, 1372742, 1480284, 1594152, 1726998, 1764954, 2059113, 2302664, 2353272, 2549378, 2590497, 2745484, 2960568, 3453996, 3529908, 3824067, 4118226, 5098756, 5180994, 5490968, 6177339, 6907992, 7059816, 7648134, 8236452, 8922823, 10197512, 10361988, 11472201, 12354678, 15296268, 16472904, 17845646, 20723976, 22944402, 24709356, 26768469, 30592536, 35691292, 45888804, 49418712, 53536938, 71382584, 80305407, 91777608, 107073876, 160610814, 214147752, 321221628, 642443256]

約数ペア:

[(1, 642443256), (2, 321221628), (3, 214147752), (4, 160610814), (6, 107073876), (7, 91777608), (8, 80305407), (9, 71382584), (12, 53536938), (13, 49418712), (14, 45888804), (18, 35691292), (21, 30592536), (24, 26768469), (26, 24709356), (28, 22944402), (31, 20723976), (36, 17845646), (39, 16472904), (42, 15296268), (52, 12354678), (56, 11472201), (62, 10361988), (63, 10197512), (72, 8922823), (78, 8236452), (84, 7648134), (91, 7059816), (93, 6907992), (104, 6177339), (117, 5490968), (124, 5180994), (126, 5098756), (156, 4118226), (168, 3824067), (182, 3529908), (186, 3453996), (217, 2960568), (234, 2745484), (248, 2590497), (252, 2549378), (273, 2353272), (279, 2302664), (312, 2059113), (364, 1764954), (372, 1726998), (403, 1594152), (434, 1480284), (468, 1372742), (504, 1274689), (546, 1176636), (558, 1151332), (651, 986856), (728, 882477), (744, 863499), (806, 797076), (819, 784424), (868, 740142), (936, 686371), (1092, 588318), (1116, 575666), (1209, 531384), (1302, 493428), (1612, 398538), (1638, 392212), (1736, 370071), (1953, 328952), (2184, 294159), (2232, 287833), (2418, 265692), (2604, 246714), (2821, 227736), (3163, 203112), (3224, 199269), (3276, 196106), (3627, 177128), (3906, 164476), (4836, 132846), (5208, 123357), (5642, 113868), (6326, 101556), (6552, 98053), (7254, 88564), (7812, 82238), (8463, 75912), (9489, 67704), (9672, 66423), (11284, 56934), (12652, 50778), (14508, 44282), (15624, 41119), (16926, 37956), (18978, 33852), (22141, 29016), (22568, 28467), (25304, 25389)]