81884880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 360

約数和(自身を含む): 350629344

約数和(自身を除く): 268744464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 49, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 98, 99, 105, 110, 112, 120, 126, 132, 140, 144, 147, 154, 165, 168, 176, 180, 196, 198, 210, 211, 220, 231, 240, 245, 252, 264, 280, 294, 308, 315, 330, 336, 360, 385, 392, 396, 420, 422, 440, 441, 462, 490, 495, 504, 528, 539, 560, 588, 616, 630, 633, 660, 693, 720, 735, 770, 784, 792, 840, 844, 880, 882, 924, 980, 990, 1008, 1055, 1078, 1155, 1176, 1232, 1260, 1266, 1320, 1386, 1470, 1477, 1540, 1584, 1617, 1680, 1688, 1764, 1848, 1899, 1960, 1980, 2110, 2156, 2205, 2310, 2321, 2352, 2520, 2532, 2640, 2695, 2772, 2940, 2954, 3080, 3165, 3234, 3376, 3465, 3528, 3696, 3798, 3920, 3960, 4220, 4312, 4410, 4431, 4620, 4642, 4851, 5040, 5064, 5390, 5544, 5880, 5908, 6160, 6330, 6468, 6930, 6963, 7056, 7385, 7596, 7920, 8085, 8440, 8624, 8820, 8862, 9240, 9284, 9495, 9702, 10128, 10339, 10780, 11088, 11605, 11760, 11816, 12660, 12936, 13293, 13860, 13926, 14770, 15192, 16170, 16247, 16880, 17640, 17724, 18480, 18568, 18990, 19404, 20678, 20889, 21560, 22155, 23210, 23632, 24255, 25320, 25872, 26586, 27720, 27852, 29540, 30384, 31017, 32340, 32494, 34815, 35280, 35448, 37136, 37980, 38808, 41356, 41778, 43120, 44310, 46420, 48510, 48741, 50640, 51695, 53172, 55440, 55704, 59080, 62034, 64680, 64988, 66465, 69630, 70896, 75960, 77616, 81235, 82712, 83556, 88620, 92840, 93051, 97020, 97482, 103390, 104445, 106344, 111408, 113729, 118160, 124068, 129360, 129976, 132930, 139260, 146223, 151920, 155085, 162470, 165424, 167112, 177240, 185680, 186102, 194040, 194964, 206780, 208890, 212688, 227458, 243705, 248136, 259952, 265860, 278520, 292446, 310170, 324940, 334224, 341187, 354480, 372204, 388080, 389928, 413560, 417780, 454916, 465255, 487410, 496272, 531720, 557040, 568645, 584892, 620340, 649880, 682374, 731115, 744408, 779856, 827120, 835560, 909832, 930510, 974820, 1023561, 1063440, 1137290, 1169784, 1240680, 1299760, 1364748, 1462230, 1488816, 1671120, 1705935, 1819664, 1861020, 1949640, 2047122, 2274580, 2339568, 2481360, 2729496, 2924460, 3411870, 3722040, 3899280, 4094244, 4549160, 5117805, 5458992, 5848920, 6823740, 7444080, 8188488, 9098320, 10235610, 11697840, 13647480, 16376976, 20471220, 27294960, 40942440, 81884880]

約数ペア:

[(1, 81884880), (2, 40942440), (3, 27294960), (4, 20471220), (5, 16376976), (6, 13647480), (7, 11697840), (8, 10235610), (9, 9098320), (10, 8188488), (11, 7444080), (12, 6823740), (14, 5848920), (15, 5458992), (16, 5117805), (18, 4549160), (20, 4094244), (21, 3899280), (22, 3722040), (24, 3411870), (28, 2924460), (30, 2729496), (33, 2481360), (35, 2339568), (36, 2274580), (40, 2047122), (42, 1949640), (44, 1861020), (45, 1819664), (48, 1705935), (49, 1671120), (55, 1488816), (56, 1462230), (60, 1364748), (63, 1299760), (66, 1240680), (70, 1169784), (72, 1137290), (77, 1063440), (80, 1023561), (84, 974820), (88, 930510), (90, 909832), (98, 835560), (99, 827120), (105, 779856), (110, 744408), (112, 731115), (120, 682374), (126, 649880), (132, 620340), (140, 584892), (144, 568645), (147, 557040), (154, 531720), (165, 496272), (168, 487410), (176, 465255), (180, 454916), (196, 417780), (198, 413560), (210, 389928), (211, 388080), (220, 372204), (231, 354480), (240, 341187), (245, 334224), (252, 324940), (264, 310170), (280, 292446), (294, 278520), (308, 265860), (315, 259952), (330, 248136), (336, 243705), (360, 227458), (385, 212688), (392, 208890), (396, 206780), (420, 194964), (422, 194040), (440, 186102), (441, 185680), (462, 177240), (490, 167112), (495, 165424), (504, 162470), (528, 155085), (539, 151920), (560, 146223), (588, 139260), (616, 132930), (630, 129976), (633, 129360), (660, 124068), (693, 118160), (720, 113729), (735, 111408), (770, 106344), (784, 104445), (792, 103390), (840, 97482), (844, 97020), (880, 93051), (882, 92840), (924, 88620), (980, 83556), (990, 82712), (1008, 81235), (1055, 77616), (1078, 75960), (1155, 70896), (1176, 69630), (1232, 66465), (1260, 64988), (1266, 64680), (1320, 62034), (1386, 59080), (1470, 55704), (1477, 55440), (1540, 53172), (1584, 51695), (1617, 50640), (1680, 48741), (1688, 48510), (1764, 46420), (1848, 44310), (1899, 43120), (1960, 41778), (1980, 41356), (2110, 38808), (2156, 37980), (2205, 37136), (2310, 35448), (2321, 35280), (2352, 34815), (2520, 32494), (2532, 32340), (2640, 31017), (2695, 30384), (2772, 29540), (2940, 27852), (2954, 27720), (3080, 26586), (3165, 25872), (3234, 25320), (3376, 24255), (3465, 23632), (3528, 23210), (3696, 22155), (3798, 21560), (3920, 20889), (3960, 20678), (4220, 19404), (4312, 18990), (4410, 18568), (4431, 18480), (4620, 17724), (4642, 17640), (4851, 16880), (5040, 16247), (5064, 16170), (5390, 15192), (5544, 14770), (5880, 13926), (5908, 13860), (6160, 13293), (6330, 12936), (6468, 12660), (6930, 11816), (6963, 11760), (7056, 11605), (7385, 11088), (7596, 10780), (7920, 10339), (8085, 10128), (8440, 9702), (8624, 9495), (8820, 9284), (8862, 9240)]