1975961340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{645739}}^1$

素因数の和:645771

約数の個数: 72

約数和(自身を含む): 6346332720

約数和(自身を除く): 4370371380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 645739, 1291478, 1937217, 2582956, 3228695, 3874434, 5811651, 6457390, 7748868, 9686085, 10977563, 11623302, 12914780, 19372170, 21955126, 23246604, 29058255, 32932689, 38744340, 43910252, 54887815, 58116510, 65865378, 98798067, 109775630, 116233020, 131730756, 164663445, 197596134, 219551260, 329326890, 395192268, 493990335, 658653780, 987980670, 1975961340]

約数ペア:

[(1, 1975961340), (2, 987980670), (3, 658653780), (4, 493990335), (5, 395192268), (6, 329326890), (9, 219551260), (10, 197596134), (12, 164663445), (15, 131730756), (17, 116233020), (18, 109775630), (20, 98798067), (30, 65865378), (34, 58116510), (36, 54887815), (45, 43910252), (51, 38744340), (60, 32932689), (68, 29058255), (85, 23246604), (90, 21955126), (102, 19372170), (153, 12914780), (170, 11623302), (180, 10977563), (204, 9686085), (255, 7748868), (306, 6457390), (340, 5811651), (510, 3874434), (612, 3228695), (765, 2582956), (1020, 1937217), (1530, 1291478), (3060, 645739)]