342720

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1$

素因数の和:47

約数の個数: 168

約数和(自身を含む): 1426464

約数和(自身を除く): 1083744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 64, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 160, 168, 170, 180, 192, 204, 210, 224, 238, 240, 252, 255, 272, 280, 288, 306, 315, 320, 336, 340, 357, 360, 408, 420, 448, 476, 480, 504, 510, 544, 560, 576, 595, 612, 630, 672, 680, 714, 720, 765, 816, 840, 952, 960, 1008, 1020, 1071, 1088, 1120, 1190, 1224, 1260, 1344, 1360, 1428, 1440, 1530, 1632, 1680, 1785, 1904, 2016, 2040, 2142, 2240, 2380, 2448, 2520, 2720, 2856, 2880, 3060, 3264, 3360, 3570, 3808, 4032, 4080, 4284, 4760, 4896, 5040, 5355, 5440, 5712, 6120, 6720, 7140, 7616, 8160, 8568, 9520, 9792, 10080, 10710, 11424, 12240, 14280, 16320, 17136, 19040, 20160, 21420, 22848, 24480, 28560, 34272, 38080, 42840, 48960, 57120, 68544, 85680, 114240, 171360, 342720]

約数ペア:

[(1, 342720), (2, 171360), (3, 114240), (4, 85680), (5, 68544), (6, 57120), (7, 48960), (8, 42840), (9, 38080), (10, 34272), (12, 28560), (14, 24480), (15, 22848), (16, 21420), (17, 20160), (18, 19040), (20, 17136), (21, 16320), (24, 14280), (28, 12240), (30, 11424), (32, 10710), (34, 10080), (35, 9792), (36, 9520), (40, 8568), (42, 8160), (45, 7616), (48, 7140), (51, 6720), (56, 6120), (60, 5712), (63, 5440), (64, 5355), (68, 5040), (70, 4896), (72, 4760), (80, 4284), (84, 4080), (85, 4032), (90, 3808), (96, 3570), (102, 3360), (105, 3264), (112, 3060), (119, 2880), (120, 2856), (126, 2720), (136, 2520), (140, 2448), (144, 2380), (153, 2240), (160, 2142), (168, 2040), (170, 2016), (180, 1904), (192, 1785), (204, 1680), (210, 1632), (224, 1530), (238, 1440), (240, 1428), (252, 1360), (255, 1344), (272, 1260), (280, 1224), (288, 1190), (306, 1120), (315, 1088), (320, 1071), (336, 1020), (340, 1008), (357, 960), (360, 952), (408, 840), (420, 816), (448, 765), (476, 720), (480, 714), (504, 680), (510, 672), (544, 630), (560, 612), (576, 595)]