257919480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7873}}^1$

素因数の和:7910

約数の個数: 192

約数和(自身を含む): 1031808960

約数和(自身を除く): 773889480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 7873, 8190, 10920, 15746, 16380, 23619, 31492, 32760, 39365, 47238, 55111, 62984, 70857, 78730, 94476, 102349, 110222, 118095, 141714, 157460, 165333, 188952, 204698, 220444, 236190, 275555, 283428, 307047, 314920, 330666, 354285, 409396, 440888, 472380, 495999, 511745, 551110, 566856, 614094, 661332, 708570, 716443, 818792, 826665, 921141, 944760, 991998, 1023490, 1102220, 1228188, 1322664, 1417140, 1432886, 1535235, 1653330, 1842282, 1983996, 2046980, 2149329, 2204440, 2456376, 2479995, 2834280, 2865772, 3070470, 3306660, 3582215, 3684564, 3967992, 4093960, 4298658, 4605705, 4959990, 5731544, 6140940, 6447987, 6613320, 7164430, 7369128, 8597316, 9211410, 9919980, 10746645, 12281880, 12895974, 14328860, 17194632, 18422820, 19839960, 21493290, 25791948, 28657720, 32239935, 36845640, 42986580, 51583896, 64479870, 85973160, 128959740, 257919480]

約数ペア:

[(1, 257919480), (2, 128959740), (3, 85973160), (4, 64479870), (5, 51583896), (6, 42986580), (7, 36845640), (8, 32239935), (9, 28657720), (10, 25791948), (12, 21493290), (13, 19839960), (14, 18422820), (15, 17194632), (18, 14328860), (20, 12895974), (21, 12281880), (24, 10746645), (26, 9919980), (28, 9211410), (30, 8597316), (35, 7369128), (36, 7164430), (39, 6613320), (40, 6447987), (42, 6140940), (45, 5731544), (52, 4959990), (56, 4605705), (60, 4298658), (63, 4093960), (65, 3967992), (70, 3684564), (72, 3582215), (78, 3306660), (84, 3070470), (90, 2865772), (91, 2834280), (104, 2479995), (105, 2456376), (117, 2204440), (120, 2149329), (126, 2046980), (130, 1983996), (140, 1842282), (156, 1653330), (168, 1535235), (180, 1432886), (182, 1417140), (195, 1322664), (210, 1228188), (234, 1102220), (252, 1023490), (260, 991998), (273, 944760), (280, 921141), (312, 826665), (315, 818792), (360, 716443), (364, 708570), (390, 661332), (420, 614094), (455, 566856), (468, 551110), (504, 511745), (520, 495999), (546, 472380), (585, 440888), (630, 409396), (728, 354285), (780, 330666), (819, 314920), (840, 307047), (910, 283428), (936, 275555), (1092, 236190), (1170, 220444), (1260, 204698), (1365, 188952), (1560, 165333), (1638, 157460), (1820, 141714), (2184, 118095), (2340, 110222), (2520, 102349), (2730, 94476), (3276, 78730), (3640, 70857), (4095, 62984), (4680, 55111), (5460, 47238), (6552, 39365), (7873, 32760), (8190, 31492), (10920, 23619), (15746, 16380)]