204557580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1801}}^1$

素因数の和:2447

約数の個数: 72

約数和(自身を含む): 621819744

約数和(自身を除く): 417262164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 631, 1262, 1801, 1893, 2524, 3155, 3602, 3786, 5403, 5679, 6310, 7204, 7572, 9005, 9465, 10806, 11358, 12620, 16209, 18010, 18930, 21612, 22716, 27015, 28395, 32418, 36020, 37860, 54030, 56790, 64836, 81045, 108060, 113580, 162090, 324180, 1136431, 2272862, 3409293, 4545724, 5682155, 6818586, 10227879, 11364310, 13637172, 17046465, 20455758, 22728620, 34092930, 40911516, 51139395, 68185860, 102278790, 204557580]

約数ペア:

[(1, 204557580), (2, 102278790), (3, 68185860), (4, 51139395), (5, 40911516), (6, 34092930), (9, 22728620), (10, 20455758), (12, 17046465), (15, 13637172), (18, 11364310), (20, 10227879), (30, 6818586), (36, 5682155), (45, 4545724), (60, 3409293), (90, 2272862), (180, 1136431), (631, 324180), (1262, 162090), (1801, 113580), (1893, 108060), (2524, 81045), (3155, 64836), (3602, 56790), (3786, 54030), (5403, 37860), (5679, 36020), (6310, 32418), (7204, 28395), (7572, 27015), (9005, 22716), (9465, 21612), (10806, 18930), (11358, 18010), (12620, 16209)]