81944720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:98

約数の個数: 240

約数和(自身を含む): 245073600

約数和(自身を除く): 163128880

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 29, 38, 40, 44, 52, 55, 58, 65, 76, 80, 88, 95, 104, 110, 116, 130, 143, 145, 152, 169, 176, 190, 208, 209, 220, 232, 247, 260, 286, 290, 304, 319, 338, 377, 380, 418, 440, 464, 494, 520, 551, 572, 580, 638, 676, 715, 754, 760, 836, 845, 880, 988, 1040, 1045, 1102, 1144, 1160, 1235, 1276, 1352, 1430, 1508, 1520, 1595, 1672, 1690, 1859, 1885, 1976, 2090, 2204, 2288, 2320, 2470, 2552, 2704, 2717, 2755, 2860, 3016, 3190, 3211, 3344, 3380, 3718, 3770, 3952, 4147, 4180, 4408, 4901, 4940, 5104, 5434, 5510, 5720, 6032, 6061, 6380, 6422, 6760, 7163, 7436, 7540, 8294, 8360, 8816, 9295, 9802, 9880, 10868, 11020, 11440, 12122, 12760, 12844, 13520, 13585, 14326, 14872, 15080, 16055, 16588, 16720, 18590, 19604, 19760, 20735, 21736, 22040, 24244, 24505, 25520, 25688, 27170, 28652, 29744, 30160, 30305, 32110, 33176, 35321, 35815, 37180, 39208, 41470, 43472, 44080, 48488, 49010, 51376, 53911, 54340, 57304, 60610, 64220, 66352, 70642, 71630, 74360, 78416, 78793, 82940, 93119, 96976, 98020, 107822, 108680, 114608, 121220, 128440, 141284, 143260, 148720, 157586, 165880, 176605, 186238, 196040, 215644, 217360, 242440, 256880, 269555, 282568, 286520, 315172, 331760, 353210, 372476, 392080, 393965, 431288, 465595, 484880, 539110, 565136, 573040, 630344, 706420, 744952, 787930, 862576, 931190, 1024309, 1078220, 1260688, 1412840, 1489904, 1575860, 1862380, 2048618, 2156440, 2825680, 3151720, 3724760, 4097236, 4312880, 5121545, 6303440, 7449520, 8194472, 10243090, 16388944, 20486180, 40972360, 81944720]

約数ペア:

[(1, 81944720), (2, 40972360), (4, 20486180), (5, 16388944), (8, 10243090), (10, 8194472), (11, 7449520), (13, 6303440), (16, 5121545), (19, 4312880), (20, 4097236), (22, 3724760), (26, 3151720), (29, 2825680), (38, 2156440), (40, 2048618), (44, 1862380), (52, 1575860), (55, 1489904), (58, 1412840), (65, 1260688), (76, 1078220), (80, 1024309), (88, 931190), (95, 862576), (104, 787930), (110, 744952), (116, 706420), (130, 630344), (143, 573040), (145, 565136), (152, 539110), (169, 484880), (176, 465595), (190, 431288), (208, 393965), (209, 392080), (220, 372476), (232, 353210), (247, 331760), (260, 315172), (286, 286520), (290, 282568), (304, 269555), (319, 256880), (338, 242440), (377, 217360), (380, 215644), (418, 196040), (440, 186238), (464, 176605), (494, 165880), (520, 157586), (551, 148720), (572, 143260), (580, 141284), (638, 128440), (676, 121220), (715, 114608), (754, 108680), (760, 107822), (836, 98020), (845, 96976), (880, 93119), (988, 82940), (1040, 78793), (1045, 78416), (1102, 74360), (1144, 71630), (1160, 70642), (1235, 66352), (1276, 64220), (1352, 60610), (1430, 57304), (1508, 54340), (1520, 53911), (1595, 51376), (1672, 49010), (1690, 48488), (1859, 44080), (1885, 43472), (1976, 41470), (2090, 39208), (2204, 37180), (2288, 35815), (2320, 35321), (2470, 33176), (2552, 32110), (2704, 30305), (2717, 30160), (2755, 29744), (2860, 28652), (3016, 27170), (3190, 25688), (3211, 25520), (3344, 24505), (3380, 24244), (3718, 22040), (3770, 21736), (3952, 20735), (4147, 19760), (4180, 19604), (4408, 18590), (4901, 16720), (4940, 16588), (5104, 16055), (5434, 15080), (5510, 14872), (5720, 14326), (6032, 13585), (6061, 13520), (6380, 12844), (6422, 12760), (6760, 12122), (7163, 11440), (7436, 11020), (7540, 10868), (8294, 9880), (8360, 9802), (8816, 9295)]