1227987376

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 240

約数和(自身を含む): 3208683520

約数和(自身を除く): 1980696144

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 37, 44, 56, 62, 74, 77, 79, 88, 112, 121, 124, 148, 154, 158, 176, 217, 242, 248, 259, 296, 308, 316, 341, 407, 434, 484, 496, 518, 553, 592, 616, 632, 682, 814, 847, 868, 869, 968, 1036, 1106, 1147, 1232, 1264, 1364, 1628, 1694, 1736, 1738, 1936, 2072, 2212, 2294, 2387, 2449, 2728, 2849, 2923, 3256, 3388, 3472, 3476, 3751, 4144, 4424, 4477, 4588, 4774, 4898, 5456, 5698, 5846, 6083, 6512, 6776, 6952, 7502, 8029, 8848, 8954, 9176, 9548, 9559, 9796, 11396, 11692, 12166, 12617, 13552, 13904, 15004, 16058, 17143, 17908, 18352, 19096, 19118, 19592, 20461, 22792, 23384, 24332, 25234, 26257, 26939, 30008, 31339, 32116, 32153, 34286, 35816, 38192, 38236, 39184, 40922, 45584, 46768, 48664, 50468, 52514, 53878, 60016, 62678, 64232, 64306, 66913, 68572, 71632, 76472, 81844, 88319, 90613, 97328, 100936, 105028, 107756, 125356, 128464, 128612, 133826, 137144, 138787, 152944, 163688, 176638, 181226, 188573, 201872, 210056, 215512, 225071, 250712, 257224, 267652, 274288, 277574, 296329, 327376, 353276, 353683, 362452, 377146, 420112, 431024, 450142, 501424, 514448, 535304, 555148, 592658, 634291, 706552, 707366, 724904, 754292, 900284, 971509, 996743, 1070608, 1110296, 1185316, 1268582, 1413104, 1414732, 1449808, 1508584, 1800568, 1943018, 1993486, 2074303, 2220592, 2370632, 2475781, 2537164, 2829464, 3017168, 3601136, 3886036, 3986972, 4148606, 4741264, 4951562, 5074328, 5658928, 6977201, 7772072, 7973944, 8297212, 9903124, 10148656, 10964173, 13954402, 15544144, 15947888, 16594424, 19806248, 21928346, 27908804, 33188848, 39612496, 43856692, 55817608, 76749211, 87713384, 111635216, 153498422, 175426768, 306996844, 613993688, 1227987376]

約数ペア:

[(1, 1227987376), (2, 613993688), (4, 306996844), (7, 175426768), (8, 153498422), (11, 111635216), (14, 87713384), (16, 76749211), (22, 55817608), (28, 43856692), (31, 39612496), (37, 33188848), (44, 27908804), (56, 21928346), (62, 19806248), (74, 16594424), (77, 15947888), (79, 15544144), (88, 13954402), (112, 10964173), (121, 10148656), (124, 9903124), (148, 8297212), (154, 7973944), (158, 7772072), (176, 6977201), (217, 5658928), (242, 5074328), (248, 4951562), (259, 4741264), (296, 4148606), (308, 3986972), (316, 3886036), (341, 3601136), (407, 3017168), (434, 2829464), (484, 2537164), (496, 2475781), (518, 2370632), (553, 2220592), (592, 2074303), (616, 1993486), (632, 1943018), (682, 1800568), (814, 1508584), (847, 1449808), (868, 1414732), (869, 1413104), (968, 1268582), (1036, 1185316), (1106, 1110296), (1147, 1070608), (1232, 996743), (1264, 971509), (1364, 900284), (1628, 754292), (1694, 724904), (1736, 707366), (1738, 706552), (1936, 634291), (2072, 592658), (2212, 555148), (2294, 535304), (2387, 514448), (2449, 501424), (2728, 450142), (2849, 431024), (2923, 420112), (3256, 377146), (3388, 362452), (3472, 353683), (3476, 353276), (3751, 327376), (4144, 296329), (4424, 277574), (4477, 274288), (4588, 267652), (4774, 257224), (4898, 250712), (5456, 225071), (5698, 215512), (5846, 210056), (6083, 201872), (6512, 188573), (6776, 181226), (6952, 176638), (7502, 163688), (8029, 152944), (8848, 138787), (8954, 137144), (9176, 133826), (9548, 128612), (9559, 128464), (9796, 125356), (11396, 107756), (11692, 105028), (12166, 100936), (12617, 97328), (13552, 90613), (13904, 88319), (15004, 81844), (16058, 76472), (17143, 71632), (17908, 68572), (18352, 66913), (19096, 64306), (19118, 64232), (19592, 62678), (20461, 60016), (22792, 53878), (23384, 52514), (24332, 50468), (25234, 48664), (26257, 46768), (26939, 45584), (30008, 40922), (31339, 39184), (32116, 38236), (32153, 38192), (34286, 35816)]