261052272

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:688

約数の個数: 180

約数和(自身を含む): 838968624

約数和(自身を除く): 577916352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 34, 36, 39, 48, 51, 52, 68, 72, 78, 102, 104, 117, 136, 144, 153, 156, 169, 204, 208, 221, 234, 272, 306, 312, 338, 408, 442, 468, 507, 612, 624, 631, 663, 676, 816, 884, 936, 1014, 1224, 1262, 1326, 1352, 1521, 1768, 1872, 1893, 1989, 2028, 2448, 2524, 2652, 2704, 2873, 3042, 3536, 3786, 3978, 4056, 5048, 5304, 5679, 5746, 6084, 7572, 7956, 8112, 8203, 8619, 10096, 10608, 10727, 11358, 11492, 12168, 15144, 15912, 16406, 17238, 21454, 22716, 22984, 24336, 24609, 25857, 30288, 31824, 32181, 32812, 34476, 42908, 45432, 45968, 49218, 51714, 64362, 65624, 68952, 73827, 85816, 90864, 96543, 98436, 103428, 106639, 128724, 131248, 137904, 139451, 147654, 171632, 193086, 196872, 206856, 213278, 257448, 278902, 295308, 319917, 386172, 393744, 413712, 418353, 426556, 514896, 557804, 590616, 639834, 772344, 836706, 853112, 959751, 1115608, 1181232, 1255059, 1279668, 1544688, 1673412, 1706224, 1812863, 1919502, 2231216, 2510118, 2559336, 3346824, 3625726, 3839004, 5020236, 5118672, 5438589, 6693648, 7251452, 7678008, 10040472, 10877178, 14502904, 15356016, 16315767, 20080944, 21754356, 29005808, 32631534, 43508712, 65263068, 87017424, 130526136, 261052272]

約数ペア:

[(1, 261052272), (2, 130526136), (3, 87017424), (4, 65263068), (6, 43508712), (8, 32631534), (9, 29005808), (12, 21754356), (13, 20080944), (16, 16315767), (17, 15356016), (18, 14502904), (24, 10877178), (26, 10040472), (34, 7678008), (36, 7251452), (39, 6693648), (48, 5438589), (51, 5118672), (52, 5020236), (68, 3839004), (72, 3625726), (78, 3346824), (102, 2559336), (104, 2510118), (117, 2231216), (136, 1919502), (144, 1812863), (153, 1706224), (156, 1673412), (169, 1544688), (204, 1279668), (208, 1255059), (221, 1181232), (234, 1115608), (272, 959751), (306, 853112), (312, 836706), (338, 772344), (408, 639834), (442, 590616), (468, 557804), (507, 514896), (612, 426556), (624, 418353), (631, 413712), (663, 393744), (676, 386172), (816, 319917), (884, 295308), (936, 278902), (1014, 257448), (1224, 213278), (1262, 206856), (1326, 196872), (1352, 193086), (1521, 171632), (1768, 147654), (1872, 139451), (1893, 137904), (1989, 131248), (2028, 128724), (2448, 106639), (2524, 103428), (2652, 98436), (2704, 96543), (2873, 90864), (3042, 85816), (3536, 73827), (3786, 68952), (3978, 65624), (4056, 64362), (5048, 51714), (5304, 49218), (5679, 45968), (5746, 45432), (6084, 42908), (7572, 34476), (7956, 32812), (8112, 32181), (8203, 31824), (8619, 30288), (10096, 25857), (10608, 24609), (10727, 24336), (11358, 22984), (11492, 22716), (12168, 21454), (15144, 17238), (15912, 16406)]