261408000

素因数分解:

$2^8\times 3^1\times 5^3\times 7^1\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 288

約数和(自身を含む): 994855680

約数和(自身を除く): 733447680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 128, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 250, 256, 280, 300, 320, 336, 350, 375, 384, 389, 400, 420, 448, 480, 500, 525, 560, 600, 640, 672, 700, 750, 768, 778, 800, 840, 875, 896, 960, 1000, 1050, 1120, 1167, 1200, 1280, 1344, 1400, 1500, 1556, 1600, 1680, 1750, 1792, 1920, 1945, 2000, 2100, 2240, 2334, 2400, 2625, 2688, 2723, 2800, 3000, 3112, 3200, 3360, 3500, 3840, 3890, 4000, 4200, 4480, 4668, 4800, 5250, 5376, 5446, 5600, 5835, 6000, 6224, 6400, 6720, 7000, 7780, 8000, 8169, 8400, 8960, 9336, 9600, 9725, 10500, 10892, 11200, 11670, 12000, 12448, 13440, 13615, 14000, 15560, 16000, 16338, 16800, 18672, 19200, 19450, 21000, 21784, 22400, 23340, 24000, 24896, 26880, 27230, 28000, 29175, 31120, 32000, 32676, 33600, 37344, 38900, 40845, 42000, 43568, 44800, 46680, 48000, 48625, 49792, 54460, 56000, 58350, 62240, 65352, 67200, 68075, 74688, 77800, 81690, 84000, 87136, 93360, 96000, 97250, 99584, 108920, 112000, 116700, 124480, 130704, 134400, 136150, 145875, 149376, 155600, 163380, 168000, 174272, 186720, 194500, 204225, 217840, 224000, 233400, 248960, 261408, 272300, 291750, 298752, 311200, 326760, 336000, 340375, 348544, 373440, 389000, 408450, 435680, 466800, 497920, 522816, 544600, 583500, 622400, 653520, 672000, 680750, 697088, 746880, 778000, 816900, 871360, 933600, 1021125, 1045632, 1089200, 1167000, 1244800, 1307040, 1361500, 1493760, 1556000, 1633800, 1742720, 1867200, 2042250, 2091264, 2178400, 2334000, 2489600, 2614080, 2723000, 3112000, 3267600, 3485440, 3734400, 4084500, 4356800, 4668000, 5228160, 5446000, 6224000, 6535200, 7468800, 8169000, 8713600, 9336000, 10456320, 10892000, 12448000, 13070400, 16338000, 17427200, 18672000, 21784000, 26140800, 32676000, 37344000, 43568000, 52281600, 65352000, 87136000, 130704000, 261408000]

約数ペア:

[(1, 261408000), (2, 130704000), (3, 87136000), (4, 65352000), (5, 52281600), (6, 43568000), (7, 37344000), (8, 32676000), (10, 26140800), (12, 21784000), (14, 18672000), (15, 17427200), (16, 16338000), (20, 13070400), (21, 12448000), (24, 10892000), (25, 10456320), (28, 9336000), (30, 8713600), (32, 8169000), (35, 7468800), (40, 6535200), (42, 6224000), (48, 5446000), (50, 5228160), (56, 4668000), (60, 4356800), (64, 4084500), (70, 3734400), (75, 3485440), (80, 3267600), (84, 3112000), (96, 2723000), (100, 2614080), (105, 2489600), (112, 2334000), (120, 2178400), (125, 2091264), (128, 2042250), (140, 1867200), (150, 1742720), (160, 1633800), (168, 1556000), (175, 1493760), (192, 1361500), (200, 1307040), (210, 1244800), (224, 1167000), (240, 1089200), (250, 1045632), (256, 1021125), (280, 933600), (300, 871360), (320, 816900), (336, 778000), (350, 746880), (375, 697088), (384, 680750), (389, 672000), (400, 653520), (420, 622400), (448, 583500), (480, 544600), (500, 522816), (525, 497920), (560, 466800), (600, 435680), (640, 408450), (672, 389000), (700, 373440), (750, 348544), (768, 340375), (778, 336000), (800, 326760), (840, 311200), (875, 298752), (896, 291750), (960, 272300), (1000, 261408), (1050, 248960), (1120, 233400), (1167, 224000), (1200, 217840), (1280, 204225), (1344, 194500), (1400, 186720), (1500, 174272), (1556, 168000), (1600, 163380), (1680, 155600), (1750, 149376), (1792, 145875), (1920, 136150), (1945, 134400), (2000, 130704), (2100, 124480), (2240, 116700), (2334, 112000), (2400, 108920), (2625, 99584), (2688, 97250), (2723, 96000), (2800, 93360), (3000, 87136), (3112, 84000), (3200, 81690), (3360, 77800), (3500, 74688), (3840, 68075), (3890, 67200), (4000, 65352), (4200, 62240), (4480, 58350), (4668, 56000), (4800, 54460), (5250, 49792), (5376, 48625), (5446, 48000), (5600, 46680), (5835, 44800), (6000, 43568), (6224, 42000), (6400, 40845), (6720, 38900), (7000, 37344), (7780, 33600), (8000, 32676), (8169, 32000), (8400, 31120), (8960, 29175), (9336, 28000), (9600, 27230), (9725, 26880), (10500, 24896), (10892, 24000), (11200, 23340), (11670, 22400), (12000, 21784), (12448, 21000), (13440, 19450), (13615, 19200), (14000, 18672), (15560, 16800), (16000, 16338)]