1978727760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{45053}}^1$

素因数の和:45133

約数の個数: 120

約数和(自身を含む): 6754315464

約数和(自身を除く): 4775587704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 21960, 43920, 45053, 90106, 135159, 180212, 225265, 270318, 360424, 405477, 450530, 540636, 675795, 720848, 810954, 901060, 1081272, 1351590, 1621908, 1802120, 2027385, 2162544, 2703180, 2748233, 3243816, 3604240, 4054770, 5406360, 5496466, 6487632, 8109540, 8244699, 10812720, 10992932, 13741165, 16219080, 16489398, 21985864, 24734097, 27482330, 32438160, 32978796, 41223495, 43971728, 49468194, 54964660, 65957592, 82446990, 98936388, 109929320, 123670485, 131915184, 164893980, 197872776, 219858640, 247340970, 329787960, 395745552, 494681940, 659575920, 989363880, 1978727760]

約数ペア:

[(1, 1978727760), (2, 989363880), (3, 659575920), (4, 494681940), (5, 395745552), (6, 329787960), (8, 247340970), (9, 219858640), (10, 197872776), (12, 164893980), (15, 131915184), (16, 123670485), (18, 109929320), (20, 98936388), (24, 82446990), (30, 65957592), (36, 54964660), (40, 49468194), (45, 43971728), (48, 41223495), (60, 32978796), (61, 32438160), (72, 27482330), (80, 24734097), (90, 21985864), (120, 16489398), (122, 16219080), (144, 13741165), (180, 10992932), (183, 10812720), (240, 8244699), (244, 8109540), (305, 6487632), (360, 5496466), (366, 5406360), (488, 4054770), (549, 3604240), (610, 3243816), (720, 2748233), (732, 2703180), (915, 2162544), (976, 2027385), (1098, 1802120), (1220, 1621908), (1464, 1351590), (1830, 1081272), (2196, 901060), (2440, 810954), (2745, 720848), (2928, 675795), (3660, 540636), (4392, 450530), (4880, 405477), (5490, 360424), (7320, 270318), (8784, 225265), (10980, 180212), (14640, 135159), (21960, 90106), (43920, 45053)]