381297840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:520

約数の個数: 320

約数和(自身を含む): 1508474880

約数和(自身を除く): 1127177040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 47, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 94, 105, 110, 112, 120, 132, 140, 141, 154, 165, 168, 176, 188, 210, 220, 231, 235, 240, 264, 280, 282, 308, 329, 330, 336, 376, 385, 420, 439, 440, 462, 470, 517, 528, 560, 564, 616, 658, 660, 705, 752, 770, 840, 878, 880, 924, 940, 987, 1034, 1128, 1155, 1232, 1316, 1317, 1320, 1410, 1540, 1551, 1645, 1680, 1756, 1848, 1880, 1974, 2068, 2195, 2256, 2310, 2585, 2632, 2634, 2640, 2820, 3073, 3080, 3102, 3290, 3512, 3619, 3696, 3760, 3948, 4136, 4390, 4620, 4829, 4935, 5170, 5264, 5268, 5640, 6146, 6160, 6204, 6580, 6585, 7024, 7238, 7755, 7896, 8272, 8780, 9219, 9240, 9658, 9870, 10340, 10536, 10857, 11280, 12292, 12408, 13160, 13170, 14476, 14487, 15365, 15510, 15792, 17560, 18095, 18438, 18480, 19316, 19740, 20633, 20680, 21072, 21714, 24145, 24584, 24816, 26320, 26340, 28952, 28974, 30730, 31020, 33803, 35120, 36190, 36876, 38632, 39480, 41266, 41360, 43428, 46095, 48290, 49168, 52680, 54285, 57904, 57948, 61460, 61899, 62040, 67606, 72380, 72435, 73752, 77264, 78960, 82532, 86856, 92190, 96580, 101409, 103165, 105360, 108570, 115896, 122920, 123798, 124080, 135212, 144431, 144760, 144870, 147504, 165064, 169015, 173712, 184380, 193160, 202818, 206330, 217140, 226963, 231792, 245840, 247596, 270424, 288862, 289520, 289740, 309495, 330128, 338030, 368760, 386320, 405636, 412660, 433293, 434280, 453926, 495192, 507045, 540848, 577724, 579480, 618990, 676060, 680889, 722155, 737520, 811272, 825320, 866586, 868560, 907852, 990384, 1014090, 1134815, 1155448, 1158960, 1237980, 1352120, 1361778, 1444310, 1588741, 1622544, 1650640, 1733172, 1815704, 2028180, 2166465, 2269630, 2310896, 2475960, 2704240, 2723556, 2888620, 3177482, 3404445, 3466344, 3631408, 4056360, 4332930, 4539260, 4766223, 4951920, 5447112, 5777240, 6354964, 6808890, 6932688, 7943705, 8112720, 8665860, 9078520, 9532446, 10894224, 11554480, 12709928, 13617780, 15887410, 17331720, 18157040, 19064892, 23831115, 25419856, 27235560, 31774820, 34663440, 38129784, 47662230, 54471120, 63549640, 76259568, 95324460, 127099280, 190648920, 381297840]

約数ペア:

[(1, 381297840), (2, 190648920), (3, 127099280), (4, 95324460), (5, 76259568), (6, 63549640), (7, 54471120), (8, 47662230), (10, 38129784), (11, 34663440), (12, 31774820), (14, 27235560), (15, 25419856), (16, 23831115), (20, 19064892), (21, 18157040), (22, 17331720), (24, 15887410), (28, 13617780), (30, 12709928), (33, 11554480), (35, 10894224), (40, 9532446), (42, 9078520), (44, 8665860), (47, 8112720), (48, 7943705), (55, 6932688), (56, 6808890), (60, 6354964), (66, 5777240), (70, 5447112), (77, 4951920), (80, 4766223), (84, 4539260), (88, 4332930), (94, 4056360), (105, 3631408), (110, 3466344), (112, 3404445), (120, 3177482), (132, 2888620), (140, 2723556), (141, 2704240), (154, 2475960), (165, 2310896), (168, 2269630), (176, 2166465), (188, 2028180), (210, 1815704), (220, 1733172), (231, 1650640), (235, 1622544), (240, 1588741), (264, 1444310), (280, 1361778), (282, 1352120), (308, 1237980), (329, 1158960), (330, 1155448), (336, 1134815), (376, 1014090), (385, 990384), (420, 907852), (439, 868560), (440, 866586), (462, 825320), (470, 811272), (517, 737520), (528, 722155), (560, 680889), (564, 676060), (616, 618990), (658, 579480), (660, 577724), (705, 540848), (752, 507045), (770, 495192), (840, 453926), (878, 434280), (880, 433293), (924, 412660), (940, 405636), (987, 386320), (1034, 368760), (1128, 338030), (1155, 330128), (1232, 309495), (1316, 289740), (1317, 289520), (1320, 288862), (1410, 270424), (1540, 247596), (1551, 245840), (1645, 231792), (1680, 226963), (1756, 217140), (1848, 206330), (1880, 202818), (1974, 193160), (2068, 184380), (2195, 173712), (2256, 169015), (2310, 165064), (2585, 147504), (2632, 144870), (2634, 144760), (2640, 144431), (2820, 135212), (3073, 124080), (3080, 123798), (3102, 122920), (3290, 115896), (3512, 108570), (3619, 105360), (3696, 103165), (3760, 101409), (3948, 96580), (4136, 92190), (4390, 86856), (4620, 82532), (4829, 78960), (4935, 77264), (5170, 73752), (5264, 72435), (5268, 72380), (5640, 67606), (6146, 62040), (6160, 61899), (6204, 61460), (6580, 57948), (6585, 57904), (7024, 54285), (7238, 52680), (7755, 49168), (7896, 48290), (8272, 46095), (8780, 43428), (9219, 41360), (9240, 41266), (9658, 39480), (9870, 38632), (10340, 36876), (10536, 36190), (10857, 35120), (11280, 33803), (12292, 31020), (12408, 30730), (13160, 28974), (13170, 28952), (14476, 26340), (14487, 26320), (15365, 24816), (15510, 24584), (15792, 24145), (17560, 21714), (18095, 21072), (18438, 20680), (18480, 20633), (19316, 19740)]