163840040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 256

約数和(自身を含む): 503193600

約数和(自身を除く): 339353560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 23, 26, 28, 35, 38, 40, 46, 52, 56, 65, 70, 76, 91, 92, 95, 103, 104, 115, 130, 133, 140, 152, 161, 182, 184, 190, 206, 230, 247, 260, 266, 280, 299, 322, 364, 380, 412, 437, 455, 460, 494, 515, 520, 532, 598, 644, 665, 721, 728, 760, 805, 824, 874, 910, 920, 988, 1030, 1064, 1196, 1235, 1288, 1330, 1339, 1442, 1495, 1610, 1729, 1748, 1820, 1957, 1976, 2060, 2093, 2185, 2369, 2392, 2470, 2660, 2678, 2884, 2990, 3059, 3220, 3458, 3496, 3605, 3640, 3914, 4120, 4186, 4370, 4738, 4940, 5320, 5356, 5681, 5768, 5980, 6118, 6440, 6695, 6916, 7210, 7828, 8372, 8645, 8740, 9373, 9476, 9785, 9880, 10465, 10712, 11362, 11845, 11960, 12236, 13390, 13699, 13832, 14420, 15295, 15656, 16583, 16744, 17290, 17480, 18746, 18952, 19570, 20930, 22724, 23690, 24472, 25441, 26780, 27398, 28405, 28840, 30590, 30797, 33166, 34580, 37492, 39140, 39767, 41860, 45011, 45448, 46865, 47380, 50882, 53560, 54796, 56810, 61180, 61594, 66332, 68495, 69160, 74984, 78280, 79534, 82915, 83720, 90022, 93730, 94760, 101764, 109592, 113620, 122360, 123188, 127205, 132664, 136990, 153985, 159068, 165830, 178087, 180044, 187460, 198835, 203528, 215579, 225055, 227240, 246376, 254410, 273980, 307970, 315077, 318136, 331660, 356174, 360088, 374920, 397670, 431158, 450110, 508820, 547960, 585143, 615940, 630154, 663320, 712348, 795340, 862316, 890435, 900220, 1017640, 1077895, 1170286, 1231880, 1260308, 1424696, 1575385, 1590680, 1724632, 1780870, 1800440, 2155790, 2340572, 2520616, 2925715, 3150770, 3561740, 4096001, 4311580, 4681144, 5851430, 6301540, 7123480, 8192002, 8623160, 11702860, 12603080, 16384004, 20480005, 23405720, 32768008, 40960010, 81920020, 163840040]

約数ペア:

[(1, 163840040), (2, 81920020), (4, 40960010), (5, 32768008), (7, 23405720), (8, 20480005), (10, 16384004), (13, 12603080), (14, 11702860), (19, 8623160), (20, 8192002), (23, 7123480), (26, 6301540), (28, 5851430), (35, 4681144), (38, 4311580), (40, 4096001), (46, 3561740), (52, 3150770), (56, 2925715), (65, 2520616), (70, 2340572), (76, 2155790), (91, 1800440), (92, 1780870), (95, 1724632), (103, 1590680), (104, 1575385), (115, 1424696), (130, 1260308), (133, 1231880), (140, 1170286), (152, 1077895), (161, 1017640), (182, 900220), (184, 890435), (190, 862316), (206, 795340), (230, 712348), (247, 663320), (260, 630154), (266, 615940), (280, 585143), (299, 547960), (322, 508820), (364, 450110), (380, 431158), (412, 397670), (437, 374920), (455, 360088), (460, 356174), (494, 331660), (515, 318136), (520, 315077), (532, 307970), (598, 273980), (644, 254410), (665, 246376), (721, 227240), (728, 225055), (760, 215579), (805, 203528), (824, 198835), (874, 187460), (910, 180044), (920, 178087), (988, 165830), (1030, 159068), (1064, 153985), (1196, 136990), (1235, 132664), (1288, 127205), (1330, 123188), (1339, 122360), (1442, 113620), (1495, 109592), (1610, 101764), (1729, 94760), (1748, 93730), (1820, 90022), (1957, 83720), (1976, 82915), (2060, 79534), (2093, 78280), (2185, 74984), (2369, 69160), (2392, 68495), (2470, 66332), (2660, 61594), (2678, 61180), (2884, 56810), (2990, 54796), (3059, 53560), (3220, 50882), (3458, 47380), (3496, 46865), (3605, 45448), (3640, 45011), (3914, 41860), (4120, 39767), (4186, 39140), (4370, 37492), (4738, 34580), (4940, 33166), (5320, 30797), (5356, 30590), (5681, 28840), (5768, 28405), (5980, 27398), (6118, 26780), (6440, 25441), (6695, 24472), (6916, 23690), (7210, 22724), (7828, 20930), (8372, 19570), (8645, 18952), (8740, 18746), (9373, 17480), (9476, 17290), (9785, 16744), (9880, 16583), (10465, 15656), (10712, 15295), (11362, 14420), (11845, 13832), (11960, 13699), (12236, 13390)]