647811216

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2$

素因数の和:183

約数の個数: 240

約数和(自身を含む): 2101532160

約数和(自身を除く): 1453720944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 36, 39, 48, 52, 54, 61, 62, 72, 78, 93, 104, 108, 117, 122, 124, 144, 156, 183, 186, 208, 216, 234, 244, 248, 279, 312, 351, 366, 372, 403, 432, 468, 488, 496, 549, 558, 624, 702, 732, 744, 793, 806, 837, 936, 976, 1098, 1116, 1209, 1404, 1464, 1488, 1586, 1612, 1647, 1674, 1872, 1891, 2196, 2232, 2379, 2418, 2808, 2928, 3172, 3224, 3294, 3348, 3627, 3721, 3782, 4392, 4464, 4758, 4836, 5616, 5673, 6344, 6448, 6588, 6696, 7137, 7254, 7442, 7564, 8784, 9516, 9672, 10881, 11163, 11346, 12688, 13176, 13392, 14274, 14508, 14884, 15128, 17019, 19032, 19344, 21411, 21762, 22326, 22692, 24583, 26352, 28548, 29016, 29768, 30256, 33489, 34038, 38064, 42822, 43524, 44652, 45384, 48373, 49166, 51057, 57096, 58032, 59536, 66978, 68076, 73749, 85644, 87048, 89304, 90768, 96746, 98332, 100467, 102114, 114192, 115351, 133956, 136152, 145119, 147498, 171288, 174096, 178608, 193492, 196664, 200934, 204228, 221247, 230702, 267912, 272304, 290238, 294996, 342576, 346053, 386984, 393328, 401868, 408456, 435357, 442494, 461404, 535824, 580476, 589992, 663741, 692106, 773968, 803736, 816912, 870714, 884988, 922808, 1038159, 1160952, 1179984, 1306071, 1327482, 1384212, 1499563, 1607472, 1741428, 1769976, 1845616, 2076318, 2321904, 2612142, 2654964, 2768424, 2999126, 3114477, 3482856, 3539952, 4152636, 4498689, 5224284, 5309928, 5536848, 5998252, 6228954, 6965712, 8305272, 8997378, 10448568, 10619856, 11996504, 12457908, 13496067, 16610544, 17994756, 20897136, 23993008, 24915816, 26992134, 35989512, 40488201, 49831632, 53984268, 71979024, 80976402, 107968536, 161952804, 215937072, 323905608, 647811216]

約数ペア:

[(1, 647811216), (2, 323905608), (3, 215937072), (4, 161952804), (6, 107968536), (8, 80976402), (9, 71979024), (12, 53984268), (13, 49831632), (16, 40488201), (18, 35989512), (24, 26992134), (26, 24915816), (27, 23993008), (31, 20897136), (36, 17994756), (39, 16610544), (48, 13496067), (52, 12457908), (54, 11996504), (61, 10619856), (62, 10448568), (72, 8997378), (78, 8305272), (93, 6965712), (104, 6228954), (108, 5998252), (117, 5536848), (122, 5309928), (124, 5224284), (144, 4498689), (156, 4152636), (183, 3539952), (186, 3482856), (208, 3114477), (216, 2999126), (234, 2768424), (244, 2654964), (248, 2612142), (279, 2321904), (312, 2076318), (351, 1845616), (366, 1769976), (372, 1741428), (403, 1607472), (432, 1499563), (468, 1384212), (488, 1327482), (496, 1306071), (549, 1179984), (558, 1160952), (624, 1038159), (702, 922808), (732, 884988), (744, 870714), (793, 816912), (806, 803736), (837, 773968), (936, 692106), (976, 663741), (1098, 589992), (1116, 580476), (1209, 535824), (1404, 461404), (1464, 442494), (1488, 435357), (1586, 408456), (1612, 401868), (1647, 393328), (1674, 386984), (1872, 346053), (1891, 342576), (2196, 294996), (2232, 290238), (2379, 272304), (2418, 267912), (2808, 230702), (2928, 221247), (3172, 204228), (3224, 200934), (3294, 196664), (3348, 193492), (3627, 178608), (3721, 174096), (3782, 171288), (4392, 147498), (4464, 145119), (4758, 136152), (4836, 133956), (5616, 115351), (5673, 114192), (6344, 102114), (6448, 100467), (6588, 98332), (6696, 96746), (7137, 90768), (7254, 89304), (7442, 87048), (7564, 85644), (8784, 73749), (9516, 68076), (9672, 66978), (10881, 59536), (11163, 58032), (11346, 57096), (12688, 51057), (13176, 49166), (13392, 48373), (14274, 45384), (14508, 44652), (14884, 43524), (15128, 42822), (17019, 38064), (19032, 34038), (19344, 33489), (21411, 30256), (21762, 29768), (22326, 29016), (22692, 28548), (24583, 26352)]