1978348800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{167}}^1\times {\mathrm{617}}^1$

素因数の和:813

約数の個数: 216

約数和(自身を含む): 6578703936

約数和(自身を除く): 4600355136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 167, 192, 200, 240, 256, 300, 320, 334, 384, 400, 480, 501, 600, 617, 640, 668, 768, 800, 835, 960, 1002, 1200, 1234, 1280, 1336, 1600, 1670, 1851, 1920, 2004, 2400, 2468, 2505, 2672, 3085, 3200, 3340, 3702, 3840, 4008, 4175, 4800, 4936, 5010, 5344, 6170, 6400, 6680, 7404, 8016, 8350, 9255, 9600, 9872, 10020, 10688, 12340, 12525, 13360, 14808, 15425, 16032, 16700, 18510, 19200, 19744, 20040, 21376, 24680, 25050, 26720, 29616, 30850, 32064, 33400, 37020, 39488, 40080, 42752, 46275, 49360, 50100, 53440, 59232, 61700, 64128, 66800, 74040, 78976, 80160, 92550, 98720, 100200, 103039, 106880, 118464, 123400, 128256, 133600, 148080, 157952, 160320, 185100, 197440, 200400, 206078, 213760, 236928, 246800, 267200, 296160, 309117, 320640, 370200, 394880, 400800, 412156, 473856, 493600, 515195, 534400, 592320, 618234, 641280, 740400, 789760, 801600, 824312, 987200, 1030390, 1068800, 1184640, 1236468, 1480800, 1545585, 1603200, 1648624, 1974400, 2060780, 2369280, 2472936, 2575975, 2961600, 3091170, 3206400, 3297248, 3948800, 4121560, 4945872, 5151950, 5923200, 6182340, 6594496, 7727925, 8243120, 9891744, 10303900, 11846400, 12364680, 13188992, 15455850, 16486240, 19783488, 20607800, 24729360, 26377984, 30911700, 32972480, 39566976, 41215600, 49458720, 61823400, 65944960, 79133952, 82431200, 98917440, 123646800, 131889920, 164862400, 197834880, 247293600, 329724800, 395669760, 494587200, 659449600, 989174400, 1978348800]

約数ペア:

[(1, 1978348800), (2, 989174400), (3, 659449600), (4, 494587200), (5, 395669760), (6, 329724800), (8, 247293600), (10, 197834880), (12, 164862400), (15, 131889920), (16, 123646800), (20, 98917440), (24, 82431200), (25, 79133952), (30, 65944960), (32, 61823400), (40, 49458720), (48, 41215600), (50, 39566976), (60, 32972480), (64, 30911700), (75, 26377984), (80, 24729360), (96, 20607800), (100, 19783488), (120, 16486240), (128, 15455850), (150, 13188992), (160, 12364680), (167, 11846400), (192, 10303900), (200, 9891744), (240, 8243120), (256, 7727925), (300, 6594496), (320, 6182340), (334, 5923200), (384, 5151950), (400, 4945872), (480, 4121560), (501, 3948800), (600, 3297248), (617, 3206400), (640, 3091170), (668, 2961600), (768, 2575975), (800, 2472936), (835, 2369280), (960, 2060780), (1002, 1974400), (1200, 1648624), (1234, 1603200), (1280, 1545585), (1336, 1480800), (1600, 1236468), (1670, 1184640), (1851, 1068800), (1920, 1030390), (2004, 987200), (2400, 824312), (2468, 801600), (2505, 789760), (2672, 740400), (3085, 641280), (3200, 618234), (3340, 592320), (3702, 534400), (3840, 515195), (4008, 493600), (4175, 473856), (4800, 412156), (4936, 400800), (5010, 394880), (5344, 370200), (6170, 320640), (6400, 309117), (6680, 296160), (7404, 267200), (8016, 246800), (8350, 236928), (9255, 213760), (9600, 206078), (9872, 200400), (10020, 197440), (10688, 185100), (12340, 160320), (12525, 157952), (13360, 148080), (14808, 133600), (15425, 128256), (16032, 123400), (16700, 118464), (18510, 106880), (19200, 103039), (19744, 100200), (20040, 98720), (21376, 92550), (24680, 80160), (25050, 78976), (26720, 74040), (29616, 66800), (30850, 64128), (32064, 61700), (33400, 59232), (37020, 53440), (39488, 50100), (40080, 49360), (42752, 46275)]