1681049216

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 256

約数和(自身を含む): 4512153600

約数和(自身を除く): 2831104384

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 64, 68, 77, 79, 88, 112, 119, 127, 128, 136, 154, 158, 176, 187, 224, 238, 254, 272, 308, 316, 352, 374, 448, 476, 508, 544, 553, 616, 632, 704, 748, 869, 889, 896, 952, 1016, 1088, 1106, 1232, 1264, 1309, 1343, 1397, 1408, 1496, 1738, 1778, 1904, 2032, 2159, 2176, 2212, 2464, 2528, 2618, 2686, 2794, 2992, 3476, 3556, 3808, 4064, 4318, 4424, 4928, 5056, 5236, 5372, 5588, 5984, 6083, 6952, 7112, 7616, 8128, 8636, 8848, 9401, 9779, 9856, 10033, 10112, 10472, 10744, 11176, 11968, 12166, 13904, 14224, 14773, 15113, 15232, 16256, 17272, 17696, 18802, 19558, 20066, 20944, 21488, 22352, 23749, 23936, 24332, 27808, 28448, 29546, 30226, 34544, 35392, 37604, 39116, 40132, 41888, 42976, 44704, 47498, 48664, 55616, 56896, 59092, 60452, 69088, 70231, 70784, 75208, 78232, 80264, 83776, 85952, 89408, 94996, 97328, 103411, 110363, 111232, 113792, 118184, 120904, 138176, 140462, 150416, 156464, 160528, 166243, 167552, 170561, 171904, 178816, 189992, 194656, 206822, 220726, 236368, 241808, 276352, 280924, 300832, 312928, 321056, 332486, 341122, 379984, 389312, 413644, 441452, 472736, 483616, 561848, 601664, 625856, 642112, 664972, 682244, 759968, 772541, 778624, 827288, 882904, 945472, 967232, 1123696, 1193927, 1203328, 1251712, 1284224, 1329944, 1364488, 1519936, 1545082, 1654576, 1765808, 1876171, 1890944, 1934464, 2247392, 2387854, 2659888, 2728976, 3039872, 3090164, 3309152, 3531616, 3752342, 4494784, 4775708, 5319776, 5457952, 6180328, 6618304, 7063232, 7504684, 8989568, 9551416, 10639552, 10915904, 12360656, 13133197, 13236608, 14126464, 15009368, 19102832, 21279104, 21831808, 24721312, 26266394, 30018736, 38205664, 49442624, 52532788, 60037472, 76411328, 98885248, 105065576, 120074944, 152822656, 210131152, 240149888, 420262304, 840524608, 1681049216]

約数ペア:

[(1, 1681049216), (2, 840524608), (4, 420262304), (7, 240149888), (8, 210131152), (11, 152822656), (14, 120074944), (16, 105065576), (17, 98885248), (22, 76411328), (28, 60037472), (32, 52532788), (34, 49442624), (44, 38205664), (56, 30018736), (64, 26266394), (68, 24721312), (77, 21831808), (79, 21279104), (88, 19102832), (112, 15009368), (119, 14126464), (127, 13236608), (128, 13133197), (136, 12360656), (154, 10915904), (158, 10639552), (176, 9551416), (187, 8989568), (224, 7504684), (238, 7063232), (254, 6618304), (272, 6180328), (308, 5457952), (316, 5319776), (352, 4775708), (374, 4494784), (448, 3752342), (476, 3531616), (508, 3309152), (544, 3090164), (553, 3039872), (616, 2728976), (632, 2659888), (704, 2387854), (748, 2247392), (869, 1934464), (889, 1890944), (896, 1876171), (952, 1765808), (1016, 1654576), (1088, 1545082), (1106, 1519936), (1232, 1364488), (1264, 1329944), (1309, 1284224), (1343, 1251712), (1397, 1203328), (1408, 1193927), (1496, 1123696), (1738, 967232), (1778, 945472), (1904, 882904), (2032, 827288), (2159, 778624), (2176, 772541), (2212, 759968), (2464, 682244), (2528, 664972), (2618, 642112), (2686, 625856), (2794, 601664), (2992, 561848), (3476, 483616), (3556, 472736), (3808, 441452), (4064, 413644), (4318, 389312), (4424, 379984), (4928, 341122), (5056, 332486), (5236, 321056), (5372, 312928), (5588, 300832), (5984, 280924), (6083, 276352), (6952, 241808), (7112, 236368), (7616, 220726), (8128, 206822), (8636, 194656), (8848, 189992), (9401, 178816), (9779, 171904), (9856, 170561), (10033, 167552), (10112, 166243), (10472, 160528), (10744, 156464), (11176, 150416), (11968, 140462), (12166, 138176), (13904, 120904), (14224, 118184), (14773, 113792), (15113, 111232), (15232, 110363), (16256, 103411), (17272, 97328), (17696, 94996), (18802, 89408), (19558, 85952), (20066, 83776), (20944, 80264), (21488, 78232), (22352, 75208), (23749, 70784), (23936, 70231), (24332, 69088), (27808, 60452), (28448, 59092), (29546, 56896), (30226, 55616), (34544, 48664), (35392, 47498), (37604, 44704), (39116, 42976), (40132, 41888)]