1642451200

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1097

約数の個数: 216

約数和(自身を含む): 4612899200

約数和(自身を除く): 2970448000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 64, 65, 76, 80, 95, 100, 104, 128, 130, 152, 160, 190, 200, 208, 247, 256, 260, 304, 320, 325, 380, 400, 416, 475, 494, 520, 608, 640, 650, 760, 800, 832, 950, 988, 1039, 1040, 1216, 1235, 1280, 1300, 1520, 1600, 1664, 1900, 1976, 2078, 2080, 2432, 2470, 2600, 3040, 3200, 3328, 3800, 3952, 4156, 4160, 4864, 4940, 5195, 5200, 6080, 6175, 6400, 7600, 7904, 8312, 8320, 9880, 10390, 10400, 12160, 12350, 13507, 15200, 15808, 16624, 16640, 19741, 19760, 20780, 20800, 24320, 24700, 25975, 27014, 30400, 31616, 33248, 39482, 39520, 41560, 41600, 49400, 51950, 54028, 60800, 63232, 66496, 67535, 78964, 79040, 83120, 83200, 98705, 98800, 103900, 108056, 121600, 132992, 135070, 157928, 158080, 166240, 197410, 197600, 207800, 216112, 256633, 265984, 270140, 315856, 316160, 332480, 337675, 394820, 395200, 415600, 432224, 493525, 513266, 540280, 631712, 664960, 675350, 789640, 790400, 831200, 864448, 987050, 1026532, 1080560, 1263424, 1283165, 1329920, 1350700, 1579280, 1580800, 1662400, 1728896, 1974100, 2053064, 2161120, 2526848, 2566330, 2701400, 3158560, 3324800, 3457792, 3948200, 4106128, 4322240, 5053696, 5132660, 5402800, 6317120, 6415825, 6649600, 7896400, 8212256, 8644480, 10265320, 10805600, 12634240, 12831650, 15792800, 16424512, 17288960, 20530640, 21611200, 25268480, 25663300, 31585600, 32849024, 41061280, 43222400, 51326600, 63171200, 65698048, 82122560, 86444800, 102653200, 126342400, 164245120, 205306400, 328490240, 410612800, 821225600, 1642451200]

約数ペア:

[(1, 1642451200), (2, 821225600), (4, 410612800), (5, 328490240), (8, 205306400), (10, 164245120), (13, 126342400), (16, 102653200), (19, 86444800), (20, 82122560), (25, 65698048), (26, 63171200), (32, 51326600), (38, 43222400), (40, 41061280), (50, 32849024), (52, 31585600), (64, 25663300), (65, 25268480), (76, 21611200), (80, 20530640), (95, 17288960), (100, 16424512), (104, 15792800), (128, 12831650), (130, 12634240), (152, 10805600), (160, 10265320), (190, 8644480), (200, 8212256), (208, 7896400), (247, 6649600), (256, 6415825), (260, 6317120), (304, 5402800), (320, 5132660), (325, 5053696), (380, 4322240), (400, 4106128), (416, 3948200), (475, 3457792), (494, 3324800), (520, 3158560), (608, 2701400), (640, 2566330), (650, 2526848), (760, 2161120), (800, 2053064), (832, 1974100), (950, 1728896), (988, 1662400), (1039, 1580800), (1040, 1579280), (1216, 1350700), (1235, 1329920), (1280, 1283165), (1300, 1263424), (1520, 1080560), (1600, 1026532), (1664, 987050), (1900, 864448), (1976, 831200), (2078, 790400), (2080, 789640), (2432, 675350), (2470, 664960), (2600, 631712), (3040, 540280), (3200, 513266), (3328, 493525), (3800, 432224), (3952, 415600), (4156, 395200), (4160, 394820), (4864, 337675), (4940, 332480), (5195, 316160), (5200, 315856), (6080, 270140), (6175, 265984), (6400, 256633), (7600, 216112), (7904, 207800), (8312, 197600), (8320, 197410), (9880, 166240), (10390, 158080), (10400, 157928), (12160, 135070), (12350, 132992), (13507, 121600), (15200, 108056), (15808, 103900), (16624, 98800), (16640, 98705), (19741, 83200), (19760, 83120), (20780, 79040), (20800, 78964), (24320, 67535), (24700, 66496), (25975, 63232), (27014, 60800), (30400, 54028), (31616, 51950), (33248, 49400), (39482, 41600), (39520, 41560)]