81841760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 288

約数和(自身を含む): 267859872

約数和(自身を除く): 186018112

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 49, 52, 55, 56, 65, 70, 73, 77, 80, 88, 91, 98, 104, 110, 112, 130, 140, 143, 146, 154, 160, 176, 182, 196, 208, 220, 224, 245, 260, 280, 286, 292, 308, 352, 364, 365, 385, 392, 416, 440, 455, 490, 511, 520, 539, 560, 572, 584, 616, 637, 715, 728, 730, 770, 784, 803, 880, 910, 949, 980, 1001, 1022, 1040, 1078, 1120, 1144, 1168, 1232, 1274, 1430, 1456, 1460, 1540, 1568, 1606, 1760, 1820, 1898, 1960, 2002, 2044, 2080, 2156, 2288, 2336, 2464, 2548, 2555, 2695, 2860, 2912, 2920, 3080, 3185, 3212, 3577, 3640, 3796, 3920, 4004, 4015, 4088, 4312, 4576, 4745, 5005, 5096, 5110, 5390, 5621, 5720, 5840, 6160, 6370, 6424, 6643, 7007, 7154, 7280, 7592, 7840, 8008, 8030, 8176, 8624, 9490, 10010, 10192, 10220, 10439, 10780, 11242, 11440, 11680, 12320, 12740, 12848, 13286, 14014, 14308, 14560, 15184, 16016, 16060, 16352, 17248, 17885, 18980, 20020, 20384, 20440, 20878, 21560, 22484, 22880, 25480, 25696, 26572, 28028, 28105, 28616, 30368, 32032, 32120, 33215, 35035, 35770, 37960, 39347, 40040, 40880, 41756, 43120, 44968, 46501, 50960, 52195, 53144, 56056, 56210, 57232, 64240, 66430, 70070, 71540, 73073, 75920, 78694, 80080, 81760, 83512, 86240, 89936, 93002, 101920, 104390, 106288, 112112, 112420, 114464, 128480, 132860, 140140, 143080, 146146, 151840, 157388, 160160, 167024, 179872, 186004, 196735, 208780, 212576, 224224, 224840, 232505, 265720, 280280, 286160, 292292, 314776, 334048, 365365, 372008, 393470, 417560, 449680, 465010, 511511, 531440, 560560, 572320, 584584, 629552, 730730, 744016, 786940, 835120, 899360, 930020, 1023022, 1062880, 1121120, 1169168, 1259104, 1461460, 1488032, 1573880, 1670240, 1860040, 2046044, 2338336, 2557555, 2922920, 3147760, 3720080, 4092088, 5115110, 5845840, 6295520, 7440160, 8184176, 10230220, 11691680, 16368352, 20460440, 40920880, 81841760]

約数ペア:

[(1, 81841760), (2, 40920880), (4, 20460440), (5, 16368352), (7, 11691680), (8, 10230220), (10, 8184176), (11, 7440160), (13, 6295520), (14, 5845840), (16, 5115110), (20, 4092088), (22, 3720080), (26, 3147760), (28, 2922920), (32, 2557555), (35, 2338336), (40, 2046044), (44, 1860040), (49, 1670240), (52, 1573880), (55, 1488032), (56, 1461460), (65, 1259104), (70, 1169168), (73, 1121120), (77, 1062880), (80, 1023022), (88, 930020), (91, 899360), (98, 835120), (104, 786940), (110, 744016), (112, 730730), (130, 629552), (140, 584584), (143, 572320), (146, 560560), (154, 531440), (160, 511511), (176, 465010), (182, 449680), (196, 417560), (208, 393470), (220, 372008), (224, 365365), (245, 334048), (260, 314776), (280, 292292), (286, 286160), (292, 280280), (308, 265720), (352, 232505), (364, 224840), (365, 224224), (385, 212576), (392, 208780), (416, 196735), (440, 186004), (455, 179872), (490, 167024), (511, 160160), (520, 157388), (539, 151840), (560, 146146), (572, 143080), (584, 140140), (616, 132860), (637, 128480), (715, 114464), (728, 112420), (730, 112112), (770, 106288), (784, 104390), (803, 101920), (880, 93002), (910, 89936), (949, 86240), (980, 83512), (1001, 81760), (1022, 80080), (1040, 78694), (1078, 75920), (1120, 73073), (1144, 71540), (1168, 70070), (1232, 66430), (1274, 64240), (1430, 57232), (1456, 56210), (1460, 56056), (1540, 53144), (1568, 52195), (1606, 50960), (1760, 46501), (1820, 44968), (1898, 43120), (1960, 41756), (2002, 40880), (2044, 40040), (2080, 39347), (2156, 37960), (2288, 35770), (2336, 35035), (2464, 33215), (2548, 32120), (2555, 32032), (2695, 30368), (2860, 28616), (2912, 28105), (2920, 28028), (3080, 26572), (3185, 25696), (3212, 25480), (3577, 22880), (3640, 22484), (3796, 21560), (3920, 20878), (4004, 20440), (4015, 20384), (4088, 20020), (4312, 18980), (4576, 17885), (4745, 17248), (5005, 16352), (5096, 16060), (5110, 16016), (5390, 15184), (5621, 14560), (5720, 14308), (5840, 14014), (6160, 13286), (6370, 12848), (6424, 12740), (6643, 12320), (7007, 11680), (7154, 11440), (7280, 11242), (7592, 10780), (7840, 10439), (8008, 10220), (8030, 10192), (8176, 10010), (8624, 9490)]