1221604800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19577}}^1$

素因数の和:19615

約数の個数: 168

約数和(自身を含む): 4316400816

約数和(自身を除く): 3094796016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 192, 195, 200, 208, 240, 260, 300, 312, 320, 325, 390, 400, 416, 480, 520, 600, 624, 650, 780, 800, 832, 960, 975, 1040, 1200, 1248, 1300, 1560, 1600, 1950, 2080, 2400, 2496, 2600, 3120, 3900, 4160, 4800, 5200, 6240, 7800, 10400, 12480, 15600, 19577, 20800, 31200, 39154, 58731, 62400, 78308, 97885, 117462, 156616, 195770, 234924, 254501, 293655, 313232, 391540, 469848, 489425, 509002, 587310, 626464, 763503, 783080, 939696, 978850, 1018004, 1174620, 1252928, 1272505, 1468275, 1527006, 1566160, 1879392, 1957700, 2036008, 2349240, 2545010, 2936550, 3054012, 3132320, 3758784, 3817515, 3915400, 4072016, 4698480, 5090020, 5873100, 6108024, 6264640, 6362525, 7635030, 7830800, 8144032, 9396960, 10180040, 11746200, 12216048, 12725050, 15270060, 15661600, 16288064, 18793920, 19087575, 20360080, 23492400, 24432096, 25450100, 30540120, 31323200, 38175150, 40720160, 46984800, 48864192, 50900200, 61080240, 76350300, 81440320, 93969600, 101800400, 122160480, 152700600, 203600800, 244320960, 305401200, 407201600, 610802400, 1221604800]

約数ペア:

[(1, 1221604800), (2, 610802400), (3, 407201600), (4, 305401200), (5, 244320960), (6, 203600800), (8, 152700600), (10, 122160480), (12, 101800400), (13, 93969600), (15, 81440320), (16, 76350300), (20, 61080240), (24, 50900200), (25, 48864192), (26, 46984800), (30, 40720160), (32, 38175150), (39, 31323200), (40, 30540120), (48, 25450100), (50, 24432096), (52, 23492400), (60, 20360080), (64, 19087575), (65, 18793920), (75, 16288064), (78, 15661600), (80, 15270060), (96, 12725050), (100, 12216048), (104, 11746200), (120, 10180040), (130, 9396960), (150, 8144032), (156, 7830800), (160, 7635030), (192, 6362525), (195, 6264640), (200, 6108024), (208, 5873100), (240, 5090020), (260, 4698480), (300, 4072016), (312, 3915400), (320, 3817515), (325, 3758784), (390, 3132320), (400, 3054012), (416, 2936550), (480, 2545010), (520, 2349240), (600, 2036008), (624, 1957700), (650, 1879392), (780, 1566160), (800, 1527006), (832, 1468275), (960, 1272505), (975, 1252928), (1040, 1174620), (1200, 1018004), (1248, 978850), (1300, 939696), (1560, 783080), (1600, 763503), (1950, 626464), (2080, 587310), (2400, 509002), (2496, 489425), (2600, 469848), (3120, 391540), (3900, 313232), (4160, 293655), (4800, 254501), (5200, 234924), (6240, 195770), (7800, 156616), (10400, 117462), (12480, 97885), (15600, 78308), (19577, 62400), (20800, 58731), (31200, 39154)]