721368960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28901}}^1$

素因数の和:28936

約数の個数: 128

約数和(自身を含む): 2476323360

約数和(自身を除く): 1754954400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 28901, 57802, 86703, 115604, 144505, 173406, 231208, 289010, 346812, 375713, 433515, 462416, 578020, 693624, 751426, 867030, 924832, 1127139, 1156040, 1387248, 1502852, 1734060, 1849664, 1878565, 2254278, 2312080, 2774496, 3005704, 3468120, 3699328, 3757130, 4508556, 4624160, 5548992, 5635695, 6011408, 6936240, 7514260, 9017112, 9248320, 11097984, 11271390, 12022816, 13872480, 15028520, 18034224, 18496640, 22542780, 24045632, 27744960, 30057040, 36068448, 45085560, 48091264, 55489920, 60114080, 72136896, 90171120, 120228160, 144273792, 180342240, 240456320, 360684480, 721368960]

約数ペア:

[(1, 721368960), (2, 360684480), (3, 240456320), (4, 180342240), (5, 144273792), (6, 120228160), (8, 90171120), (10, 72136896), (12, 60114080), (13, 55489920), (15, 48091264), (16, 45085560), (20, 36068448), (24, 30057040), (26, 27744960), (30, 24045632), (32, 22542780), (39, 18496640), (40, 18034224), (48, 15028520), (52, 13872480), (60, 12022816), (64, 11271390), (65, 11097984), (78, 9248320), (80, 9017112), (96, 7514260), (104, 6936240), (120, 6011408), (128, 5635695), (130, 5548992), (156, 4624160), (160, 4508556), (192, 3757130), (195, 3699328), (208, 3468120), (240, 3005704), (260, 2774496), (312, 2312080), (320, 2254278), (384, 1878565), (390, 1849664), (416, 1734060), (480, 1502852), (520, 1387248), (624, 1156040), (640, 1127139), (780, 924832), (832, 867030), (960, 751426), (1040, 693624), (1248, 578020), (1560, 462416), (1664, 433515), (1920, 375713), (2080, 346812), (2496, 289010), (3120, 231208), (4160, 173406), (4992, 144505), (6240, 115604), (8320, 86703), (12480, 57802), (24960, 28901)]