81364080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2591

約数の個数: 160

約数和(自身を含む): 303552000

約数和(自身を除く): 222187920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2549, 2660, 3192, 3990, 4560, 5098, 5320, 6384, 7647, 7980, 10196, 10640, 12745, 15294, 15960, 17843, 20392, 25490, 30588, 31920, 35686, 38235, 40784, 48431, 50980, 53529, 61176, 71372, 76470, 89215, 96862, 101960, 107058, 122352, 142744, 145293, 152940, 178430, 193724, 203920, 214116, 242155, 267645, 285488, 290586, 305880, 339017, 356860, 387448, 428232, 484310, 535290, 581172, 611760, 678034, 713720, 726465, 774896, 856464, 968620, 1017051, 1070580, 1162344, 1356068, 1427440, 1452930, 1695085, 1937240, 2034102, 2141160, 2324688, 2712136, 2905860, 3390170, 3874480, 4068204, 4282320, 5085255, 5424272, 5811720, 6780340, 8136408, 10170510, 11623440, 13560680, 16272816, 20341020, 27121360, 40682040, 81364080]

約数ペア:

[(1, 81364080), (2, 40682040), (3, 27121360), (4, 20341020), (5, 16272816), (6, 13560680), (7, 11623440), (8, 10170510), (10, 8136408), (12, 6780340), (14, 5811720), (15, 5424272), (16, 5085255), (19, 4282320), (20, 4068204), (21, 3874480), (24, 3390170), (28, 2905860), (30, 2712136), (35, 2324688), (38, 2141160), (40, 2034102), (42, 1937240), (48, 1695085), (56, 1452930), (57, 1427440), (60, 1356068), (70, 1162344), (76, 1070580), (80, 1017051), (84, 968620), (95, 856464), (105, 774896), (112, 726465), (114, 713720), (120, 678034), (133, 611760), (140, 581172), (152, 535290), (168, 484310), (190, 428232), (210, 387448), (228, 356860), (240, 339017), (266, 305880), (280, 290586), (285, 285488), (304, 267645), (336, 242155), (380, 214116), (399, 203920), (420, 193724), (456, 178430), (532, 152940), (560, 145293), (570, 142744), (665, 122352), (760, 107058), (798, 101960), (840, 96862), (912, 89215), (1064, 76470), (1140, 71372), (1330, 61176), (1520, 53529), (1596, 50980), (1680, 48431), (1995, 40784), (2128, 38235), (2280, 35686), (2549, 31920), (2660, 30588), (3192, 25490), (3990, 20392), (4560, 17843), (5098, 15960), (5320, 15294), (6384, 12745), (7647, 10640), (7980, 10196)]