256838040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4663}}^1$

素因数の和:4703

約数の個数: 160

約数和(自身を含む): 914237280

約数和(自身を除く): 657399240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 255, 270, 306, 324, 340, 360, 405, 408, 459, 510, 540, 612, 648, 680, 765, 810, 918, 1020, 1080, 1224, 1377, 1530, 1620, 1836, 2040, 2295, 2754, 3060, 3240, 3672, 4590, 4663, 5508, 6120, 6885, 9180, 9326, 11016, 13770, 13989, 18360, 18652, 23315, 27540, 27978, 37304, 41967, 46630, 55080, 55956, 69945, 79271, 83934, 93260, 111912, 125901, 139890, 158542, 167868, 186520, 209835, 237813, 251802, 279780, 317084, 335736, 377703, 396355, 419670, 475626, 503604, 559560, 629505, 634168, 713439, 755406, 792710, 839340, 951252, 1007208, 1189065, 1259010, 1426878, 1510812, 1585420, 1678680, 1888515, 1902504, 2140317, 2378130, 2518020, 2853756, 3021624, 3170840, 3567195, 3777030, 4280634, 4756260, 5036040, 5707512, 6420951, 7134390, 7554060, 8561268, 9512520, 10701585, 12841902, 14268780, 15108120, 17122536, 21403170, 25683804, 28537560, 32104755, 42806340, 51367608, 64209510, 85612680, 128419020, 256838040]

約数ペア:

[(1, 256838040), (2, 128419020), (3, 85612680), (4, 64209510), (5, 51367608), (6, 42806340), (8, 32104755), (9, 28537560), (10, 25683804), (12, 21403170), (15, 17122536), (17, 15108120), (18, 14268780), (20, 12841902), (24, 10701585), (27, 9512520), (30, 8561268), (34, 7554060), (36, 7134390), (40, 6420951), (45, 5707512), (51, 5036040), (54, 4756260), (60, 4280634), (68, 3777030), (72, 3567195), (81, 3170840), (85, 3021624), (90, 2853756), (102, 2518020), (108, 2378130), (120, 2140317), (135, 1902504), (136, 1888515), (153, 1678680), (162, 1585420), (170, 1510812), (180, 1426878), (204, 1259010), (216, 1189065), (255, 1007208), (270, 951252), (306, 839340), (324, 792710), (340, 755406), (360, 713439), (405, 634168), (408, 629505), (459, 559560), (510, 503604), (540, 475626), (612, 419670), (648, 396355), (680, 377703), (765, 335736), (810, 317084), (918, 279780), (1020, 251802), (1080, 237813), (1224, 209835), (1377, 186520), (1530, 167868), (1620, 158542), (1836, 139890), (2040, 125901), (2295, 111912), (2754, 93260), (3060, 83934), (3240, 79271), (3672, 69945), (4590, 55956), (4663, 55080), (5508, 46630), (6120, 41967), (6885, 37304), (9180, 27978), (9326, 27540), (11016, 23315), (13770, 18652), (13989, 18360)]