180728777920

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1951}}^1\times {\mathrm{2113}}^1$

素因数の和:4218

約数の個数: 112

約数和(自身を含む): 433929178368

約数和(自身を除く): 253200400448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 1096, 1370, 1951, 2113, 2192, 2740, 3902, 4226, 4384, 5480, 7804, 8452, 8768, 9755, 10565, 10960, 15608, 16904, 19510, 21130, 21920, 31216, 33808, 39020, 42260, 43840, 62432, 67616, 78040, 84520, 124864, 135232, 156080, 169040, 267287, 289481, 312160, 338080, 534574, 578962, 624320, 676160, 1069148, 1157924, 1336435, 1447405, 2138296, 2315848, 2672870, 2894810, 4122463, 4276592, 4631696, 5345740, 5789620, 8244926, 8553184, 9263392, 10691480, 11579240, 16489852, 17106368, 18526784, 20612315, 21382960, 23158480, 32979704, 41224630, 42765920, 46316960, 65959408, 82449260, 85531840, 92633920, 131918816, 164898520, 263837632, 329797040, 564777431, 659594080, 1129554862, 1319188160, 2259109724, 2823887155, 4518219448, 5647774310, 9036438896, 11295548620, 18072877792, 22591097240, 36145755584, 45182194480, 90364388960, 180728777920]

約数ペア:

[(1, 180728777920), (2, 90364388960), (4, 45182194480), (5, 36145755584), (8, 22591097240), (10, 18072877792), (16, 11295548620), (20, 9036438896), (32, 5647774310), (40, 4518219448), (64, 2823887155), (80, 2259109724), (137, 1319188160), (160, 1129554862), (274, 659594080), (320, 564777431), (548, 329797040), (685, 263837632), (1096, 164898520), (1370, 131918816), (1951, 92633920), (2113, 85531840), (2192, 82449260), (2740, 65959408), (3902, 46316960), (4226, 42765920), (4384, 41224630), (5480, 32979704), (7804, 23158480), (8452, 21382960), (8768, 20612315), (9755, 18526784), (10565, 17106368), (10960, 16489852), (15608, 11579240), (16904, 10691480), (19510, 9263392), (21130, 8553184), (21920, 8244926), (31216, 5789620), (33808, 5345740), (39020, 4631696), (42260, 4276592), (43840, 4122463), (62432, 2894810), (67616, 2672870), (78040, 2315848), (84520, 2138296), (124864, 1447405), (135232, 1336435), (156080, 1157924), (169040, 1069148), (267287, 676160), (289481, 624320), (312160, 578962), (338080, 534574)]