406779840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 336

約数和(自身を含む): 1516989600

約数和(自身を除く): 1110209760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 89, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 178, 180, 184, 192, 207, 216, 230, 240, 267, 270, 276, 288, 320, 345, 356, 360, 368, 414, 432, 445, 460, 480, 529, 534, 540, 552, 576, 621, 690, 712, 720, 736, 801, 828, 864, 890, 920, 960, 1035, 1058, 1068, 1080, 1104, 1242, 1335, 1380, 1424, 1440, 1472, 1587, 1602, 1656, 1728, 1780, 1840, 2047, 2070, 2116, 2136, 2160, 2208, 2403, 2484, 2645, 2670, 2760, 2848, 2880, 3105, 3174, 3204, 3312, 3560, 3680, 4005, 4094, 4140, 4232, 4272, 4320, 4416, 4761, 4806, 4968, 5290, 5340, 5520, 5696, 6141, 6210, 6348, 6408, 6624, 7120, 7360, 7935, 8010, 8188, 8280, 8464, 8544, 8640, 9522, 9612, 9936, 10235, 10580, 10680, 11040, 12015, 12282, 12420, 12696, 12816, 13248, 14240, 14283, 15870, 16020, 16376, 16560, 16928, 17088, 18423, 19044, 19224, 19872, 20470, 21160, 21360, 22080, 23805, 24030, 24564, 24840, 25392, 25632, 28480, 28566, 30705, 31740, 32040, 32752, 33120, 33856, 36846, 38088, 38448, 39744, 40940, 42320, 42720, 47081, 47610, 48060, 49128, 49680, 50784, 51264, 55269, 57132, 61410, 63480, 64080, 65504, 66240, 71415, 73692, 76176, 76896, 81880, 84640, 85440, 92115, 94162, 95220, 96120, 98256, 99360, 101568, 110538, 114264, 122820, 126960, 128160, 131008, 141243, 142830, 147384, 152352, 153792, 163760, 169280, 184230, 188324, 190440, 192240, 196512, 198720, 221076, 228528, 235405, 245640, 253920, 256320, 276345, 282486, 285660, 294768, 304704, 327520, 368460, 376648, 380880, 384480, 393024, 423729, 442152, 457056, 470810, 491280, 507840, 552690, 564972, 571320, 589536, 655040, 706215, 736920, 753296, 761760, 768960, 847458, 884304, 914112, 941620, 982560, 1105380, 1129944, 1142640, 1179072, 1271187, 1412430, 1473840, 1506592, 1523520, 1694916, 1768608, 1883240, 1965120, 2118645, 2210760, 2259888, 2285280, 2542374, 2824860, 2947680, 3013184, 3389832, 3537216, 3766480, 4237290, 4421520, 4519776, 4570560, 5084748, 5649720, 5895360, 6355935, 6779664, 7532960, 8474580, 8843040, 9039552, 10169496, 11299440, 12711870, 13559328, 15065920, 16949160, 17686080, 20338992, 22598880, 25423740, 27118656, 33898320, 40677984, 45197760, 50847480, 67796640, 81355968, 101694960, 135593280, 203389920, 406779840]

約数ペア:

[(1, 406779840), (2, 203389920), (3, 135593280), (4, 101694960), (5, 81355968), (6, 67796640), (8, 50847480), (9, 45197760), (10, 40677984), (12, 33898320), (15, 27118656), (16, 25423740), (18, 22598880), (20, 20338992), (23, 17686080), (24, 16949160), (27, 15065920), (30, 13559328), (32, 12711870), (36, 11299440), (40, 10169496), (45, 9039552), (46, 8843040), (48, 8474580), (54, 7532960), (60, 6779664), (64, 6355935), (69, 5895360), (72, 5649720), (80, 5084748), (89, 4570560), (90, 4519776), (92, 4421520), (96, 4237290), (108, 3766480), (115, 3537216), (120, 3389832), (135, 3013184), (138, 2947680), (144, 2824860), (160, 2542374), (178, 2285280), (180, 2259888), (184, 2210760), (192, 2118645), (207, 1965120), (216, 1883240), (230, 1768608), (240, 1694916), (267, 1523520), (270, 1506592), (276, 1473840), (288, 1412430), (320, 1271187), (345, 1179072), (356, 1142640), (360, 1129944), (368, 1105380), (414, 982560), (432, 941620), (445, 914112), (460, 884304), (480, 847458), (529, 768960), (534, 761760), (540, 753296), (552, 736920), (576, 706215), (621, 655040), (690, 589536), (712, 571320), (720, 564972), (736, 552690), (801, 507840), (828, 491280), (864, 470810), (890, 457056), (920, 442152), (960, 423729), (1035, 393024), (1058, 384480), (1068, 380880), (1080, 376648), (1104, 368460), (1242, 327520), (1335, 304704), (1380, 294768), (1424, 285660), (1440, 282486), (1472, 276345), (1587, 256320), (1602, 253920), (1656, 245640), (1728, 235405), (1780, 228528), (1840, 221076), (2047, 198720), (2070, 196512), (2116, 192240), (2136, 190440), (2160, 188324), (2208, 184230), (2403, 169280), (2484, 163760), (2645, 153792), (2670, 152352), (2760, 147384), (2848, 142830), (2880, 141243), (3105, 131008), (3174, 128160), (3204, 126960), (3312, 122820), (3560, 114264), (3680, 110538), (4005, 101568), (4094, 99360), (4140, 98256), (4232, 96120), (4272, 95220), (4320, 94162), (4416, 92115), (4761, 85440), (4806, 84640), (4968, 81880), (5290, 76896), (5340, 76176), (5520, 73692), (5696, 71415), (6141, 66240), (6210, 65504), (6348, 64080), (6408, 63480), (6624, 61410), (7120, 57132), (7360, 55269), (7935, 51264), (8010, 50784), (8188, 49680), (8280, 49128), (8464, 48060), (8544, 47610), (8640, 47081), (9522, 42720), (9612, 42320), (9936, 40940), (10235, 39744), (10580, 38448), (10680, 38088), (11040, 36846), (12015, 33856), (12282, 33120), (12420, 32752), (12696, 32040), (12816, 31740), (13248, 30705), (14240, 28566), (14283, 28480), (15870, 25632), (16020, 25392), (16376, 24840), (16560, 24564), (16928, 24030), (17088, 23805), (18423, 22080), (19044, 21360), (19224, 21160), (19872, 20470)]