1205980920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{58771}}^1$

素因数の和:58810

約数の個数: 128

約数和(自身を含む): 4231584000

約数和(自身を除く): 3025603080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 58771, 117542, 176313, 235084, 293855, 352626, 470168, 528939, 587710, 705252, 881565, 1057878, 1116649, 1175420, 1410504, 1586817, 1763130, 2115756, 2233298, 2350840, 2644695, 3173634, 3349947, 3526260, 4231512, 4466596, 5289390, 5583245, 6347268, 6699894, 7052520, 7934085, 8933192, 10049841, 10578780, 11166490, 12694536, 13399788, 15868170, 16749735, 20099682, 21157560, 22332980, 26799576, 30149523, 31736340, 33499470, 40199364, 44665960, 50249205, 60299046, 63472680, 66998940, 80398728, 100498410, 120598092, 133997880, 150747615, 200996820, 241196184, 301495230, 401993640, 602990460, 1205980920]

約数ペア:

[(1, 1205980920), (2, 602990460), (3, 401993640), (4, 301495230), (5, 241196184), (6, 200996820), (8, 150747615), (9, 133997880), (10, 120598092), (12, 100498410), (15, 80398728), (18, 66998940), (19, 63472680), (20, 60299046), (24, 50249205), (27, 44665960), (30, 40199364), (36, 33499470), (38, 31736340), (40, 30149523), (45, 26799576), (54, 22332980), (57, 21157560), (60, 20099682), (72, 16749735), (76, 15868170), (90, 13399788), (95, 12694536), (108, 11166490), (114, 10578780), (120, 10049841), (135, 8933192), (152, 7934085), (171, 7052520), (180, 6699894), (190, 6347268), (216, 5583245), (228, 5289390), (270, 4466596), (285, 4231512), (342, 3526260), (360, 3349947), (380, 3173634), (456, 2644695), (513, 2350840), (540, 2233298), (570, 2115756), (684, 1763130), (760, 1586817), (855, 1410504), (1026, 1175420), (1080, 1116649), (1140, 1057878), (1368, 881565), (1710, 705252), (2052, 587710), (2280, 528939), (2565, 470168), (3420, 352626), (4104, 293855), (5130, 235084), (6840, 176313), (10260, 117542), (20520, 58771)]