819952640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 176

約数和(自身を含む): 2156915712

約数和(自身を除く): 1336963072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 97, 104, 127, 128, 130, 160, 194, 208, 254, 256, 260, 320, 388, 416, 485, 508, 512, 520, 635, 640, 776, 832, 970, 1016, 1024, 1040, 1261, 1270, 1280, 1552, 1651, 1664, 1940, 2032, 2080, 2522, 2540, 2560, 3104, 3302, 3328, 3880, 4064, 4160, 5044, 5080, 5120, 6208, 6305, 6604, 6656, 7760, 8128, 8255, 8320, 10088, 10160, 12319, 12416, 12610, 13208, 13312, 15520, 16256, 16510, 16640, 20176, 20320, 24638, 24832, 25220, 26416, 31040, 32512, 33020, 33280, 40352, 40640, 49276, 49664, 50440, 52832, 61595, 62080, 65024, 66040, 66560, 80704, 81280, 98552, 99328, 100880, 105664, 123190, 124160, 130048, 132080, 160147, 161408, 162560, 197104, 201760, 211328, 246380, 248320, 264160, 320294, 322816, 325120, 394208, 403520, 422656, 492760, 496640, 528320, 640588, 645632, 650240, 788416, 800735, 807040, 845312, 985520, 1056640, 1281176, 1291264, 1576832, 1601470, 1614080, 1690624, 1971040, 2113280, 2562352, 3153664, 3202940, 3228160, 3942080, 4226560, 5124704, 6307328, 6405880, 6456320, 7884160, 8453120, 10249408, 12614656, 12811760, 15768320, 20498816, 25623520, 31536640, 40997632, 51247040, 63073280, 81995264, 102494080, 163990528, 204988160, 409976320, 819952640]

約数ペア:

[(1, 819952640), (2, 409976320), (4, 204988160), (5, 163990528), (8, 102494080), (10, 81995264), (13, 63073280), (16, 51247040), (20, 40997632), (26, 31536640), (32, 25623520), (40, 20498816), (52, 15768320), (64, 12811760), (65, 12614656), (80, 10249408), (97, 8453120), (104, 7884160), (127, 6456320), (128, 6405880), (130, 6307328), (160, 5124704), (194, 4226560), (208, 3942080), (254, 3228160), (256, 3202940), (260, 3153664), (320, 2562352), (388, 2113280), (416, 1971040), (485, 1690624), (508, 1614080), (512, 1601470), (520, 1576832), (635, 1291264), (640, 1281176), (776, 1056640), (832, 985520), (970, 845312), (1016, 807040), (1024, 800735), (1040, 788416), (1261, 650240), (1270, 645632), (1280, 640588), (1552, 528320), (1651, 496640), (1664, 492760), (1940, 422656), (2032, 403520), (2080, 394208), (2522, 325120), (2540, 322816), (2560, 320294), (3104, 264160), (3302, 248320), (3328, 246380), (3880, 211328), (4064, 201760), (4160, 197104), (5044, 162560), (5080, 161408), (5120, 160147), (6208, 132080), (6305, 130048), (6604, 124160), (6656, 123190), (7760, 105664), (8128, 100880), (8255, 99328), (8320, 98552), (10088, 81280), (10160, 80704), (12319, 66560), (12416, 66040), (12610, 65024), (13208, 62080), (13312, 61595), (15520, 52832), (16256, 50440), (16510, 49664), (16640, 49276), (20176, 40640), (20320, 40352), (24638, 33280), (24832, 33020), (25220, 32512), (26416, 31040)]