1281584640

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:833

約数の個数: 320

約数和(自身を含む): 4839690240

約数和(自身を除く): 3558105600

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, 769, 840, 868, 896, 930, 960, 992, 1085, 1120, 1240, 1280, 1302, 1344, 1488, 1536, 1538, 1680, 1736, 1792, 1860, 1920, 1984, 2170, 2240, 2307, 2480, 2560, 2604, 2688, 2976, 3076, 3255, 3360, 3472, 3584, 3720, 3840, 3845, 3968, 4340, 4480, 4614, 4960, 5208, 5376, 5383, 5952, 6152, 6510, 6720, 6944, 7440, 7680, 7690, 7936, 8680, 8960, 9228, 9920, 10416, 10752, 10766, 11535, 11904, 12304, 13020, 13440, 13888, 14880, 15380, 15872, 16149, 17360, 17920, 18456, 19840, 20832, 21532, 23070, 23808, 23839, 24608, 26040, 26880, 26915, 27776, 29760, 30760, 32298, 34720, 36912, 39680, 41664, 43064, 46140, 47616, 47678, 49216, 52080, 53760, 53830, 55552, 59520, 61520, 64596, 69440, 71517, 73824, 79360, 80745, 83328, 86128, 92280, 95356, 98432, 104160, 107660, 111104, 119040, 119195, 123040, 129192, 138880, 143034, 147648, 161490, 166656, 166873, 172256, 184560, 190712, 196864, 208320, 215320, 238080, 238390, 246080, 258384, 277760, 286068, 295296, 322980, 333312, 333746, 344512, 357585, 369120, 381424, 393728, 416640, 430640, 476780, 492160, 500619, 516768, 555520, 572136, 590592, 645960, 667492, 689024, 715170, 738240, 762848, 833280, 834365, 861280, 953560, 984320, 1001238, 1033536, 1144272, 1181184, 1291920, 1334984, 1378048, 1430340, 1476480, 1525696, 1666560, 1668730, 1722560, 1907120, 1968640, 2002476, 2067072, 2288544, 2503095, 2583840, 2669968, 2756096, 2860680, 2952960, 3051392, 3337460, 3445120, 3814240, 4004952, 4134144, 4577088, 5006190, 5167680, 5339936, 5721360, 5905920, 6102784, 6674920, 6890240, 7628480, 8009904, 8268288, 9154176, 10012380, 10335360, 10679872, 11442720, 12205568, 13349840, 13780480, 15256960, 16019808, 18308352, 20024760, 20670720, 21359744, 22885440, 26699680, 30513920, 32039616, 36616704, 40049520, 41341440, 42719488, 45770880, 53399360, 61027840, 64079232, 80099040, 85438976, 91541760, 106798720, 128158464, 160198080, 183083520, 213597440, 256316928, 320396160, 427194880, 640792320, 1281584640]

約数ペア:

[(1, 1281584640), (2, 640792320), (3, 427194880), (4, 320396160), (5, 256316928), (6, 213597440), (7, 183083520), (8, 160198080), (10, 128158464), (12, 106798720), (14, 91541760), (15, 85438976), (16, 80099040), (20, 64079232), (21, 61027840), (24, 53399360), (28, 45770880), (30, 42719488), (31, 41341440), (32, 40049520), (35, 36616704), (40, 32039616), (42, 30513920), (48, 26699680), (56, 22885440), (60, 21359744), (62, 20670720), (64, 20024760), (70, 18308352), (80, 16019808), (84, 15256960), (93, 13780480), (96, 13349840), (105, 12205568), (112, 11442720), (120, 10679872), (124, 10335360), (128, 10012380), (140, 9154176), (155, 8268288), (160, 8009904), (168, 7628480), (186, 6890240), (192, 6674920), (210, 6102784), (217, 5905920), (224, 5721360), (240, 5339936), (248, 5167680), (256, 5006190), (280, 4577088), (310, 4134144), (320, 4004952), (336, 3814240), (372, 3445120), (384, 3337460), (420, 3051392), (434, 2952960), (448, 2860680), (465, 2756096), (480, 2669968), (496, 2583840), (512, 2503095), (560, 2288544), (620, 2067072), (640, 2002476), (651, 1968640), (672, 1907120), (744, 1722560), (768, 1668730), (769, 1666560), (840, 1525696), (868, 1476480), (896, 1430340), (930, 1378048), (960, 1334984), (992, 1291920), (1085, 1181184), (1120, 1144272), (1240, 1033536), (1280, 1001238), (1302, 984320), (1344, 953560), (1488, 861280), (1536, 834365), (1538, 833280), (1680, 762848), (1736, 738240), (1792, 715170), (1860, 689024), (1920, 667492), (1984, 645960), (2170, 590592), (2240, 572136), (2307, 555520), (2480, 516768), (2560, 500619), (2604, 492160), (2688, 476780), (2976, 430640), (3076, 416640), (3255, 393728), (3360, 381424), (3472, 369120), (3584, 357585), (3720, 344512), (3840, 333746), (3845, 333312), (3968, 322980), (4340, 295296), (4480, 286068), (4614, 277760), (4960, 258384), (5208, 246080), (5376, 238390), (5383, 238080), (5952, 215320), (6152, 208320), (6510, 196864), (6720, 190712), (6944, 184560), (7440, 172256), (7680, 166873), (7690, 166656), (7936, 161490), (8680, 147648), (8960, 143034), (9228, 138880), (9920, 129192), (10416, 123040), (10752, 119195), (10766, 119040), (11535, 111104), (11904, 107660), (12304, 104160), (13020, 98432), (13440, 95356), (13888, 92280), (14880, 86128), (15380, 83328), (15872, 80745), (16149, 79360), (17360, 73824), (17920, 71517), (18456, 69440), (19840, 64596), (20832, 61520), (21532, 59520), (23070, 55552), (23808, 53830), (23839, 53760), (24608, 52080), (26040, 49216), (26880, 47678), (26915, 47616), (27776, 46140), (29760, 43064), (30760, 41664), (32298, 39680), (34720, 36912)]