1340558640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21401}}^1$

素因数の和:21452

約数の個数: 160

約数和(自身を含む): 4776926400

約数和(自身を除く): 3436367760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 464, 522, 540, 580, 696, 720, 783, 870, 1044, 1080, 1160, 1305, 1392, 1566, 1740, 2088, 2160, 2320, 2610, 3132, 3480, 3915, 4176, 5220, 6264, 6960, 7830, 10440, 12528, 15660, 20880, 21401, 31320, 42802, 62640, 64203, 85604, 107005, 128406, 171208, 192609, 214010, 256812, 321015, 342416, 385218, 428020, 513624, 577827, 620629, 642030, 770436, 856040, 963045, 1027248, 1155654, 1241258, 1284060, 1540872, 1712080, 1861887, 1926090, 2311308, 2482516, 2568120, 2889135, 3081744, 3103145, 3723774, 3852180, 4622616, 4965032, 5136240, 5585661, 5778270, 6206290, 7447548, 7704360, 9245232, 9309435, 9930064, 11171322, 11556540, 12412580, 14895096, 15408720, 16756983, 18618870, 22342644, 23113080, 24825160, 27928305, 29790192, 33513966, 37237740, 44685288, 46226160, 49650320, 55856610, 67027932, 74475480, 83784915, 89370576, 111713220, 134055864, 148950960, 167569830, 223426440, 268111728, 335139660, 446852880, 670279320, 1340558640]

約数ペア:

[(1, 1340558640), (2, 670279320), (3, 446852880), (4, 335139660), (5, 268111728), (6, 223426440), (8, 167569830), (9, 148950960), (10, 134055864), (12, 111713220), (15, 89370576), (16, 83784915), (18, 74475480), (20, 67027932), (24, 55856610), (27, 49650320), (29, 46226160), (30, 44685288), (36, 37237740), (40, 33513966), (45, 29790192), (48, 27928305), (54, 24825160), (58, 23113080), (60, 22342644), (72, 18618870), (80, 16756983), (87, 15408720), (90, 14895096), (108, 12412580), (116, 11556540), (120, 11171322), (135, 9930064), (144, 9309435), (145, 9245232), (174, 7704360), (180, 7447548), (216, 6206290), (232, 5778270), (240, 5585661), (261, 5136240), (270, 4965032), (290, 4622616), (348, 3852180), (360, 3723774), (432, 3103145), (435, 3081744), (464, 2889135), (522, 2568120), (540, 2482516), (580, 2311308), (696, 1926090), (720, 1861887), (783, 1712080), (870, 1540872), (1044, 1284060), (1080, 1241258), (1160, 1155654), (1305, 1027248), (1392, 963045), (1566, 856040), (1740, 770436), (2088, 642030), (2160, 620629), (2320, 577827), (2610, 513624), (3132, 428020), (3480, 385218), (3915, 342416), (4176, 321015), (5220, 256812), (6264, 214010), (6960, 192609), (7830, 171208), (10440, 128406), (12528, 107005), (15660, 85604), (20880, 64203), (21401, 62640), (31320, 42802)]