28539840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 224

約数和(自身を含む): 107679744

約数和(自身を除く): 79139904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 137, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 274, 280, 310, 320, 336, 372, 411, 420, 434, 448, 465, 480, 496, 548, 560, 620, 651, 672, 685, 744, 822, 840, 868, 930, 959, 960, 992, 1085, 1096, 1120, 1240, 1302, 1344, 1370, 1488, 1644, 1680, 1736, 1860, 1918, 1984, 2055, 2170, 2192, 2240, 2480, 2604, 2740, 2877, 2976, 3255, 3288, 3360, 3472, 3720, 3836, 4110, 4247, 4340, 4384, 4795, 4960, 5208, 5480, 5754, 5952, 6510, 6576, 6720, 6944, 7440, 7672, 8220, 8494, 8680, 8768, 9590, 9920, 10416, 10960, 11508, 12741, 13020, 13152, 13888, 14385, 14880, 15344, 16440, 16988, 17360, 19180, 20832, 21235, 21920, 23016, 25482, 26040, 26304, 28770, 29729, 29760, 30688, 32880, 33976, 34720, 38360, 41664, 42470, 43840, 46032, 50964, 52080, 57540, 59458, 61376, 63705, 65760, 67952, 69440, 76720, 84940, 89187, 92064, 101928, 104160, 115080, 118916, 127410, 131520, 135904, 148645, 153440, 169880, 178374, 184128, 203856, 208320, 230160, 237832, 254820, 271808, 297290, 306880, 339760, 356748, 407712, 445935, 460320, 475664, 509640, 594580, 679520, 713496, 815424, 891870, 920640, 951328, 1019280, 1189160, 1359040, 1426992, 1783740, 1902656, 2038560, 2378320, 2853984, 3567480, 4077120, 4756640, 5707968, 7134960, 9513280, 14269920, 28539840]

約数ペア:

[(1, 28539840), (2, 14269920), (3, 9513280), (4, 7134960), (5, 5707968), (6, 4756640), (7, 4077120), (8, 3567480), (10, 2853984), (12, 2378320), (14, 2038560), (15, 1902656), (16, 1783740), (20, 1426992), (21, 1359040), (24, 1189160), (28, 1019280), (30, 951328), (31, 920640), (32, 891870), (35, 815424), (40, 713496), (42, 679520), (48, 594580), (56, 509640), (60, 475664), (62, 460320), (64, 445935), (70, 407712), (80, 356748), (84, 339760), (93, 306880), (96, 297290), (105, 271808), (112, 254820), (120, 237832), (124, 230160), (137, 208320), (140, 203856), (155, 184128), (160, 178374), (168, 169880), (186, 153440), (192, 148645), (210, 135904), (217, 131520), (224, 127410), (240, 118916), (248, 115080), (274, 104160), (280, 101928), (310, 92064), (320, 89187), (336, 84940), (372, 76720), (411, 69440), (420, 67952), (434, 65760), (448, 63705), (465, 61376), (480, 59458), (496, 57540), (548, 52080), (560, 50964), (620, 46032), (651, 43840), (672, 42470), (685, 41664), (744, 38360), (822, 34720), (840, 33976), (868, 32880), (930, 30688), (959, 29760), (960, 29729), (992, 28770), (1085, 26304), (1096, 26040), (1120, 25482), (1240, 23016), (1302, 21920), (1344, 21235), (1370, 20832), (1488, 19180), (1644, 17360), (1680, 16988), (1736, 16440), (1860, 15344), (1918, 14880), (1984, 14385), (2055, 13888), (2170, 13152), (2192, 13020), (2240, 12741), (2480, 11508), (2604, 10960), (2740, 10416), (2877, 9920), (2976, 9590), (3255, 8768), (3288, 8680), (3360, 8494), (3472, 8220), (3720, 7672), (3836, 7440), (4110, 6944), (4247, 6720), (4340, 6576), (4384, 6510), (4795, 5952), (4960, 5754), (5208, 5480)]