30740640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{1307}}^1$

素因数の和:1339

約数の個数: 144

約数和(自身を含む): 112728672

約数和(自身を除く): 81988032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1307, 1470, 1568, 1680, 1960, 2352, 2614, 2940, 3360, 3920, 3921, 4704, 5228, 5880, 6535, 7840, 7842, 9149, 10456, 11760, 13070, 15684, 18298, 19605, 20912, 23520, 26140, 27447, 31368, 36596, 39210, 41824, 45745, 52280, 54894, 62736, 64043, 73192, 78420, 91490, 104560, 109788, 125472, 128086, 137235, 146384, 156840, 182980, 192129, 209120, 219576, 256172, 274470, 292768, 313680, 320215, 365960, 384258, 439152, 512344, 548940, 627360, 640430, 731920, 768516, 878304, 960645, 1024688, 1097880, 1280860, 1463840, 1537032, 1921290, 2049376, 2195760, 2561720, 3074064, 3842580, 4391520, 5123440, 6148128, 7685160, 10246880, 15370320, 30740640]

約数ペア:

[(1, 30740640), (2, 15370320), (3, 10246880), (4, 7685160), (5, 6148128), (6, 5123440), (7, 4391520), (8, 3842580), (10, 3074064), (12, 2561720), (14, 2195760), (15, 2049376), (16, 1921290), (20, 1537032), (21, 1463840), (24, 1280860), (28, 1097880), (30, 1024688), (32, 960645), (35, 878304), (40, 768516), (42, 731920), (48, 640430), (49, 627360), (56, 548940), (60, 512344), (70, 439152), (80, 384258), (84, 365960), (96, 320215), (98, 313680), (105, 292768), (112, 274470), (120, 256172), (140, 219576), (147, 209120), (160, 192129), (168, 182980), (196, 156840), (210, 146384), (224, 137235), (240, 128086), (245, 125472), (280, 109788), (294, 104560), (336, 91490), (392, 78420), (420, 73192), (480, 64043), (490, 62736), (560, 54894), (588, 52280), (672, 45745), (735, 41824), (784, 39210), (840, 36596), (980, 31368), (1120, 27447), (1176, 26140), (1307, 23520), (1470, 20912), (1568, 19605), (1680, 18298), (1960, 15684), (2352, 13070), (2614, 11760), (2940, 10456), (3360, 9149), (3920, 7842), (3921, 7840), (4704, 6535), (5228, 5880)]