20480355840

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12289}}^1$

素因数の和:12353

約数の個数: 320

約数和(自身を含む): 77246484480

約数和(自身を除く): 56766128640

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, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 256, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 512, 560, 620, 640, 651, 672, 744, 768, 840, 868, 896, 930, 960, 992, 1085, 1120, 1240, 1280, 1302, 1344, 1488, 1536, 1680, 1736, 1792, 1860, 1920, 1984, 2170, 2240, 2480, 2560, 2604, 2688, 2976, 3255, 3360, 3472, 3584, 3720, 3840, 3968, 4340, 4480, 4960, 5208, 5376, 5952, 6510, 6720, 6944, 7440, 7680, 7936, 8680, 8960, 9920, 10416, 10752, 11904, 12289, 13020, 13440, 13888, 14880, 15872, 17360, 17920, 19840, 20832, 23808, 24578, 26040, 26880, 27776, 29760, 34720, 36867, 39680, 41664, 47616, 49156, 52080, 53760, 55552, 59520, 61445, 69440, 73734, 79360, 83328, 86023, 98312, 104160, 111104, 119040, 122890, 138880, 147468, 166656, 172046, 184335, 196624, 208320, 238080, 245780, 258069, 277760, 294936, 333312, 344092, 368670, 380959, 393248, 416640, 430115, 491560, 516138, 555520, 589872, 688184, 737340, 761918, 786496, 833280, 860230, 983120, 1032276, 1142877, 1179744, 1290345, 1376368, 1474680, 1523836, 1572992, 1666560, 1720460, 1904795, 1966240, 2064552, 2285754, 2359488, 2580690, 2666713, 2752736, 2949360, 3047672, 3145984, 3440920, 3809590, 3932480, 4129104, 4571508, 4718976, 5161380, 5333426, 5505472, 5714385, 5898720, 6095344, 6291968, 6881840, 7619180, 7864960, 8000139, 8258208, 9143016, 9437952, 10322760, 10666852, 11010944, 11428770, 11797440, 12190688, 13333565, 13763680, 15238360, 15729920, 16000278, 16516416, 18286032, 18875904, 20645520, 21333704, 22021888, 22857540, 23594880, 24381376, 26667130, 27527360, 30476720, 31459840, 32000556, 33032832, 36572064, 40000695, 41291040, 42667408, 44043776, 45715080, 47189760, 48762752, 53334260, 55054720, 60953440, 64001112, 66065664, 73144128, 80001390, 82582080, 85334816, 91430160, 94379520, 97525504, 106668520, 110109440, 121906880, 128002224, 132131328, 146288256, 160002780, 165164160, 170669632, 182860320, 195051008, 213337040, 220218880, 243813760, 256004448, 292576512, 320005560, 330328320, 341339264, 365720640, 426674080, 487627520, 512008896, 585153024, 640011120, 660656640, 682678528, 731441280, 853348160, 975255040, 1024017792, 1280022240, 1365357056, 1462882560, 1706696320, 2048035584, 2560044480, 2925765120, 3413392640, 4096071168, 5120088960, 6826785280, 10240177920, 20480355840]

約数ペア:

[(1, 20480355840), (2, 10240177920), (3, 6826785280), (4, 5120088960), (5, 4096071168), (6, 3413392640), (7, 2925765120), (8, 2560044480), (10, 2048035584), (12, 1706696320), (14, 1462882560), (15, 1365357056), (16, 1280022240), (20, 1024017792), (21, 975255040), (24, 853348160), (28, 731441280), (30, 682678528), (31, 660656640), (32, 640011120), (35, 585153024), (40, 512008896), (42, 487627520), (48, 426674080), (56, 365720640), (60, 341339264), (62, 330328320), (64, 320005560), (70, 292576512), (80, 256004448), (84, 243813760), (93, 220218880), (96, 213337040), (105, 195051008), (112, 182860320), (120, 170669632), (124, 165164160), (128, 160002780), (140, 146288256), (155, 132131328), (160, 128002224), (168, 121906880), (186, 110109440), (192, 106668520), (210, 97525504), (217, 94379520), (224, 91430160), (240, 85334816), (248, 82582080), (256, 80001390), (280, 73144128), (310, 66065664), (320, 64001112), (336, 60953440), (372, 55054720), (384, 53334260), (420, 48762752), (434, 47189760), (448, 45715080), (465, 44043776), (480, 42667408), (496, 41291040), (512, 40000695), (560, 36572064), (620, 33032832), (640, 32000556), (651, 31459840), (672, 30476720), (744, 27527360), (768, 26667130), (840, 24381376), (868, 23594880), (896, 22857540), (930, 22021888), (960, 21333704), (992, 20645520), (1085, 18875904), (1120, 18286032), (1240, 16516416), (1280, 16000278), (1302, 15729920), (1344, 15238360), (1488, 13763680), (1536, 13333565), (1680, 12190688), (1736, 11797440), (1792, 11428770), (1860, 11010944), (1920, 10666852), (1984, 10322760), (2170, 9437952), (2240, 9143016), (2480, 8258208), (2560, 8000139), (2604, 7864960), (2688, 7619180), (2976, 6881840), (3255, 6291968), (3360, 6095344), (3472, 5898720), (3584, 5714385), (3720, 5505472), (3840, 5333426), (3968, 5161380), (4340, 4718976), (4480, 4571508), (4960, 4129104), (5208, 3932480), (5376, 3809590), (5952, 3440920), (6510, 3145984), (6720, 3047672), (6944, 2949360), (7440, 2752736), (7680, 2666713), (7936, 2580690), (8680, 2359488), (8960, 2285754), (9920, 2064552), (10416, 1966240), (10752, 1904795), (11904, 1720460), (12289, 1666560), (13020, 1572992), (13440, 1523836), (13888, 1474680), (14880, 1376368), (15872, 1290345), (17360, 1179744), (17920, 1142877), (19840, 1032276), (20832, 983120), (23808, 860230), (24578, 833280), (26040, 786496), (26880, 761918), (27776, 737340), (29760, 688184), (34720, 589872), (36867, 555520), (39680, 516138), (41664, 491560), (47616, 430115), (49156, 416640), (52080, 393248), (53760, 380959), (55552, 368670), (59520, 344092), (61445, 333312), (69440, 294936), (73734, 277760), (79360, 258069), (83328, 245780), (86023, 238080), (98312, 208320), (104160, 196624), (111104, 184335), (119040, 172046), (122890, 166656), (138880, 147468)]