128840712

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 256

約数和(自身を含む): 449003520

約数和(自身を除く): 320162808

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 31, 33, 39, 42, 44, 52, 56, 62, 66, 77, 78, 84, 88, 91, 93, 104, 124, 132, 143, 154, 156, 168, 173, 182, 186, 217, 231, 248, 264, 273, 286, 308, 312, 341, 346, 364, 372, 403, 429, 434, 462, 519, 546, 572, 616, 651, 682, 692, 728, 744, 806, 858, 868, 924, 1001, 1023, 1038, 1092, 1144, 1209, 1211, 1302, 1364, 1384, 1612, 1716, 1736, 1848, 1903, 2002, 2046, 2076, 2184, 2249, 2387, 2418, 2422, 2604, 2728, 2821, 3003, 3224, 3432, 3633, 3806, 4004, 4092, 4152, 4433, 4498, 4774, 4836, 4844, 5208, 5363, 5642, 5709, 6006, 6747, 7161, 7266, 7612, 8008, 8184, 8463, 8866, 8996, 9548, 9672, 9688, 10726, 11284, 11418, 12012, 13299, 13321, 13494, 14322, 14532, 15224, 15743, 16089, 16926, 17732, 17992, 19096, 21452, 22568, 22836, 24024, 24739, 26598, 26642, 26988, 28644, 29064, 31031, 31486, 32178, 33852, 35464, 37541, 39963, 42904, 45672, 47229, 49478, 53196, 53284, 53976, 57288, 58993, 62062, 62972, 64356, 67704, 69719, 74217, 75082, 79926, 93093, 94458, 98956, 106392, 106568, 112623, 117986, 124124, 125944, 128712, 139438, 148434, 150164, 159852, 173173, 176979, 186186, 188916, 197912, 209157, 225246, 235972, 248248, 278876, 296868, 300328, 319704, 346346, 353958, 372372, 377832, 412951, 418314, 450492, 471944, 488033, 519519, 557752, 593736, 692692, 707916, 744744, 766909, 825902, 836628, 900984, 976066, 1039038, 1238853, 1385384, 1415832, 1464099, 1533818, 1651804, 1673256, 1952132, 2078076, 2300727, 2477706, 2928198, 3067636, 3303608, 3904264, 4156152, 4601454, 4955412, 5368363, 5856396, 6135272, 9202908, 9910824, 10736726, 11712792, 16105089, 18405816, 21473452, 32210178, 42946904, 64420356, 128840712]

約数ペア:

[(1, 128840712), (2, 64420356), (3, 42946904), (4, 32210178), (6, 21473452), (7, 18405816), (8, 16105089), (11, 11712792), (12, 10736726), (13, 9910824), (14, 9202908), (21, 6135272), (22, 5856396), (24, 5368363), (26, 4955412), (28, 4601454), (31, 4156152), (33, 3904264), (39, 3303608), (42, 3067636), (44, 2928198), (52, 2477706), (56, 2300727), (62, 2078076), (66, 1952132), (77, 1673256), (78, 1651804), (84, 1533818), (88, 1464099), (91, 1415832), (93, 1385384), (104, 1238853), (124, 1039038), (132, 976066), (143, 900984), (154, 836628), (156, 825902), (168, 766909), (173, 744744), (182, 707916), (186, 692692), (217, 593736), (231, 557752), (248, 519519), (264, 488033), (273, 471944), (286, 450492), (308, 418314), (312, 412951), (341, 377832), (346, 372372), (364, 353958), (372, 346346), (403, 319704), (429, 300328), (434, 296868), (462, 278876), (519, 248248), (546, 235972), (572, 225246), (616, 209157), (651, 197912), (682, 188916), (692, 186186), (728, 176979), (744, 173173), (806, 159852), (858, 150164), (868, 148434), (924, 139438), (1001, 128712), (1023, 125944), (1038, 124124), (1092, 117986), (1144, 112623), (1209, 106568), (1211, 106392), (1302, 98956), (1364, 94458), (1384, 93093), (1612, 79926), (1716, 75082), (1736, 74217), (1848, 69719), (1903, 67704), (2002, 64356), (2046, 62972), (2076, 62062), (2184, 58993), (2249, 57288), (2387, 53976), (2418, 53284), (2422, 53196), (2604, 49478), (2728, 47229), (2821, 45672), (3003, 42904), (3224, 39963), (3432, 37541), (3633, 35464), (3806, 33852), (4004, 32178), (4092, 31486), (4152, 31031), (4433, 29064), (4498, 28644), (4774, 26988), (4836, 26642), (4844, 26598), (5208, 24739), (5363, 24024), (5642, 22836), (5709, 22568), (6006, 21452), (6747, 19096), (7161, 17992), (7266, 17732), (7612, 16926), (8008, 16089), (8184, 15743), (8463, 15224), (8866, 14532), (8996, 14322), (9548, 13494), (9672, 13321), (9688, 13299), (10726, 12012), (11284, 11418)]