208446840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:662

約数の個数: 192

約数和(自身を含む): 780212160

約数和(自身を除く): 571765320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 181, 210, 252, 280, 315, 360, 362, 420, 457, 504, 543, 630, 724, 840, 905, 914, 1086, 1260, 1267, 1371, 1448, 1629, 1810, 1828, 2172, 2285, 2520, 2534, 2715, 2742, 3199, 3258, 3620, 3656, 3801, 4113, 4344, 4570, 5068, 5430, 5484, 6335, 6398, 6516, 6855, 7240, 7602, 8145, 8226, 9140, 9597, 10136, 10860, 10968, 11403, 12670, 12796, 13032, 13710, 15204, 15995, 16290, 16452, 18280, 19005, 19194, 20565, 21720, 22806, 25340, 25592, 27420, 28791, 30408, 31990, 32580, 32904, 38010, 38388, 41130, 45612, 47985, 50680, 54840, 57015, 57582, 63980, 65160, 76020, 76776, 82260, 82717, 91224, 95970, 114030, 115164, 127960, 143955, 152040, 164520, 165434, 191940, 228060, 230328, 248151, 287910, 330868, 383880, 413585, 456120, 496302, 575820, 579019, 661736, 744453, 827170, 992604, 1151640, 1158038, 1240755, 1488906, 1654340, 1737057, 1985208, 2316076, 2481510, 2895095, 2977812, 3308680, 3474114, 3722265, 4632152, 4963020, 5211171, 5790190, 5955624, 6948228, 7444530, 8685285, 9926040, 10422342, 11580380, 13896456, 14889060, 17370570, 20844684, 23160760, 26055855, 29778120, 34741140, 41689368, 52111710, 69482280, 104223420, 208446840]

約数ペア:

[(1, 208446840), (2, 104223420), (3, 69482280), (4, 52111710), (5, 41689368), (6, 34741140), (7, 29778120), (8, 26055855), (9, 23160760), (10, 20844684), (12, 17370570), (14, 14889060), (15, 13896456), (18, 11580380), (20, 10422342), (21, 9926040), (24, 8685285), (28, 7444530), (30, 6948228), (35, 5955624), (36, 5790190), (40, 5211171), (42, 4963020), (45, 4632152), (56, 3722265), (60, 3474114), (63, 3308680), (70, 2977812), (72, 2895095), (84, 2481510), (90, 2316076), (105, 1985208), (120, 1737057), (126, 1654340), (140, 1488906), (168, 1240755), (180, 1158038), (181, 1151640), (210, 992604), (252, 827170), (280, 744453), (315, 661736), (360, 579019), (362, 575820), (420, 496302), (457, 456120), (504, 413585), (543, 383880), (630, 330868), (724, 287910), (840, 248151), (905, 230328), (914, 228060), (1086, 191940), (1260, 165434), (1267, 164520), (1371, 152040), (1448, 143955), (1629, 127960), (1810, 115164), (1828, 114030), (2172, 95970), (2285, 91224), (2520, 82717), (2534, 82260), (2715, 76776), (2742, 76020), (3199, 65160), (3258, 63980), (3620, 57582), (3656, 57015), (3801, 54840), (4113, 50680), (4344, 47985), (4570, 45612), (5068, 41130), (5430, 38388), (5484, 38010), (6335, 32904), (6398, 32580), (6516, 31990), (6855, 30408), (7240, 28791), (7602, 27420), (8145, 25592), (8226, 25340), (9140, 22806), (9597, 21720), (10136, 20565), (10860, 19194), (10968, 19005), (11403, 18280), (12670, 16452), (12796, 16290), (13032, 15995), (13710, 15204)]