1287233584

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 240

約数和(自身を含む): 3386449920

約数和(自身を除く): 2099216336

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 38, 52, 56, 62, 76, 79, 91, 104, 112, 124, 133, 152, 158, 182, 208, 217, 247, 248, 266, 304, 316, 361, 364, 403, 434, 494, 496, 532, 553, 589, 632, 722, 728, 806, 868, 988, 1027, 1064, 1106, 1178, 1264, 1444, 1456, 1501, 1612, 1729, 1736, 1976, 2054, 2128, 2212, 2356, 2449, 2527, 2821, 2888, 3002, 3224, 3458, 3472, 3952, 4108, 4123, 4424, 4693, 4712, 4898, 5054, 5642, 5776, 6004, 6448, 6916, 7189, 7657, 8216, 8246, 8848, 9386, 9424, 9796, 10108, 10507, 11191, 11284, 12008, 13832, 14378, 15314, 16432, 16492, 17143, 18772, 19513, 19592, 20216, 21014, 22382, 22568, 24016, 27664, 28519, 28756, 30628, 31837, 32851, 32984, 34286, 37544, 39026, 39184, 40432, 42028, 44764, 45136, 46531, 53599, 57038, 57512, 61256, 63674, 65702, 65968, 68572, 75088, 78052, 78337, 84056, 89528, 93062, 107198, 114076, 115024, 122512, 127348, 131404, 136591, 137144, 145483, 156104, 156674, 168112, 179056, 186124, 199633, 214396, 222859, 228152, 254696, 262808, 273182, 274288, 290966, 312208, 313348, 325717, 370747, 372248, 399266, 428792, 445718, 456304, 509392, 525616, 546364, 581932, 604903, 626696, 651434, 741494, 744496, 798532, 857584, 884089, 891436, 1018381, 1092728, 1163864, 1209806, 1253392, 1302868, 1482988, 1597064, 1768178, 1782872, 2036762, 2185456, 2327728, 2419612, 2595229, 2605736, 2965976, 3194128, 3536356, 3565744, 4073524, 4234321, 4839224, 5190458, 5211472, 5931952, 6188623, 7072712, 8147048, 8468642, 9678448, 10380916, 11493157, 12377246, 14145424, 16294096, 16937284, 20761832, 22986314, 24754492, 33874568, 41523664, 45972628, 49508984, 67749136, 80452099, 91945256, 99017968, 160904198, 183890512, 321808396, 643616792, 1287233584]

約数ペア:

[(1, 1287233584), (2, 643616792), (4, 321808396), (7, 183890512), (8, 160904198), (13, 99017968), (14, 91945256), (16, 80452099), (19, 67749136), (26, 49508984), (28, 45972628), (31, 41523664), (38, 33874568), (52, 24754492), (56, 22986314), (62, 20761832), (76, 16937284), (79, 16294096), (91, 14145424), (104, 12377246), (112, 11493157), (124, 10380916), (133, 9678448), (152, 8468642), (158, 8147048), (182, 7072712), (208, 6188623), (217, 5931952), (247, 5211472), (248, 5190458), (266, 4839224), (304, 4234321), (316, 4073524), (361, 3565744), (364, 3536356), (403, 3194128), (434, 2965976), (494, 2605736), (496, 2595229), (532, 2419612), (553, 2327728), (589, 2185456), (632, 2036762), (722, 1782872), (728, 1768178), (806, 1597064), (868, 1482988), (988, 1302868), (1027, 1253392), (1064, 1209806), (1106, 1163864), (1178, 1092728), (1264, 1018381), (1444, 891436), (1456, 884089), (1501, 857584), (1612, 798532), (1729, 744496), (1736, 741494), (1976, 651434), (2054, 626696), (2128, 604903), (2212, 581932), (2356, 546364), (2449, 525616), (2527, 509392), (2821, 456304), (2888, 445718), (3002, 428792), (3224, 399266), (3458, 372248), (3472, 370747), (3952, 325717), (4108, 313348), (4123, 312208), (4424, 290966), (4693, 274288), (4712, 273182), (4898, 262808), (5054, 254696), (5642, 228152), (5776, 222859), (6004, 214396), (6448, 199633), (6916, 186124), (7189, 179056), (7657, 168112), (8216, 156674), (8246, 156104), (8848, 145483), (9386, 137144), (9424, 136591), (9796, 131404), (10108, 127348), (10507, 122512), (11191, 115024), (11284, 114076), (12008, 107198), (13832, 93062), (14378, 89528), (15314, 84056), (16432, 78337), (16492, 78052), (17143, 75088), (18772, 68572), (19513, 65968), (19592, 65702), (20216, 63674), (21014, 61256), (22382, 57512), (22568, 57038), (24016, 53599), (27664, 46531), (28519, 45136), (28756, 44764), (30628, 42028), (31837, 40432), (32851, 39184), (32984, 39026), (34286, 37544)]