390421320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 256

約数和(自身を含む): 1326896640

約数和(自身を除く): 936475320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 53, 60, 68, 69, 85, 92, 102, 106, 115, 120, 136, 138, 157, 159, 170, 184, 204, 212, 230, 255, 265, 276, 314, 318, 340, 345, 391, 408, 424, 460, 471, 510, 530, 552, 628, 636, 680, 690, 782, 785, 795, 901, 920, 942, 1020, 1060, 1173, 1219, 1256, 1272, 1380, 1564, 1570, 1590, 1802, 1884, 1955, 2040, 2120, 2346, 2355, 2438, 2669, 2703, 2760, 3128, 3140, 3180, 3604, 3611, 3657, 3768, 3910, 4505, 4692, 4710, 4876, 5338, 5406, 5865, 6095, 6280, 6360, 7208, 7222, 7314, 7820, 8007, 8321, 9010, 9384, 9420, 9752, 10676, 10812, 10833, 11730, 12190, 13345, 13515, 14444, 14628, 15640, 16014, 16642, 18020, 18055, 18285, 18840, 20723, 21352, 21624, 21666, 23460, 24380, 24963, 26690, 27030, 28888, 29256, 32028, 33284, 36040, 36110, 36570, 40035, 41446, 41605, 43332, 46920, 48760, 49926, 53380, 54060, 54165, 61387, 62169, 64056, 66568, 72220, 73140, 80070, 82892, 83210, 86664, 99852, 103615, 106760, 108120, 108330, 122774, 124338, 124815, 141457, 144440, 146280, 160140, 165784, 166420, 184161, 191383, 199704, 207230, 216660, 245548, 248676, 249630, 282914, 306935, 310845, 320280, 332840, 368322, 382766, 414460, 424371, 433320, 491096, 497352, 499260, 565828, 574149, 613870, 621690, 707285, 736644, 765532, 828920, 848742, 920805, 956915, 998520, 1131656, 1148298, 1227740, 1243380, 1414570, 1473288, 1531064, 1697484, 1841610, 1913830, 2121855, 2296596, 2455480, 2486760, 2829140, 2870745, 3253511, 3394968, 3683220, 3827660, 4243710, 4593192, 5658280, 5741490, 6507022, 7366440, 7655320, 8487420, 9760533, 11482980, 13014044, 16267555, 16974840, 19521066, 22965960, 26028088, 32535110, 39042132, 48802665, 65070220, 78084264, 97605330, 130140440, 195210660, 390421320]

約数ペア:

[(1, 390421320), (2, 195210660), (3, 130140440), (4, 97605330), (5, 78084264), (6, 65070220), (8, 48802665), (10, 39042132), (12, 32535110), (15, 26028088), (17, 22965960), (20, 19521066), (23, 16974840), (24, 16267555), (30, 13014044), (34, 11482980), (40, 9760533), (46, 8487420), (51, 7655320), (53, 7366440), (60, 6507022), (68, 5741490), (69, 5658280), (85, 4593192), (92, 4243710), (102, 3827660), (106, 3683220), (115, 3394968), (120, 3253511), (136, 2870745), (138, 2829140), (157, 2486760), (159, 2455480), (170, 2296596), (184, 2121855), (204, 1913830), (212, 1841610), (230, 1697484), (255, 1531064), (265, 1473288), (276, 1414570), (314, 1243380), (318, 1227740), (340, 1148298), (345, 1131656), (391, 998520), (408, 956915), (424, 920805), (460, 848742), (471, 828920), (510, 765532), (530, 736644), (552, 707285), (628, 621690), (636, 613870), (680, 574149), (690, 565828), (782, 499260), (785, 497352), (795, 491096), (901, 433320), (920, 424371), (942, 414460), (1020, 382766), (1060, 368322), (1173, 332840), (1219, 320280), (1256, 310845), (1272, 306935), (1380, 282914), (1564, 249630), (1570, 248676), (1590, 245548), (1802, 216660), (1884, 207230), (1955, 199704), (2040, 191383), (2120, 184161), (2346, 166420), (2355, 165784), (2438, 160140), (2669, 146280), (2703, 144440), (2760, 141457), (3128, 124815), (3140, 124338), (3180, 122774), (3604, 108330), (3611, 108120), (3657, 106760), (3768, 103615), (3910, 99852), (4505, 86664), (4692, 83210), (4710, 82892), (4876, 80070), (5338, 73140), (5406, 72220), (5865, 66568), (6095, 64056), (6280, 62169), (6360, 61387), (7208, 54165), (7222, 54060), (7314, 53380), (7820, 49926), (8007, 48760), (8321, 46920), (9010, 43332), (9384, 41605), (9420, 41446), (9752, 40035), (10676, 36570), (10812, 36110), (10833, 36040), (11730, 33284), (12190, 32028), (13345, 29256), (13515, 28888), (14444, 27030), (14628, 26690), (15640, 24963), (16014, 24380), (16642, 23460), (18020, 21666), (18055, 21624), (18285, 21352), (18840, 20723)]