212512140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{393541}}^1$

素因数の和:393559

約数の個数: 48

約数和(自身を含む): 661150560

約数和(自身を除く): 448638420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 393541, 787082, 1180623, 1574164, 1967705, 2361246, 3541869, 3935410, 4722492, 5903115, 7083738, 7870820, 10625607, 11806230, 14167476, 17709345, 21251214, 23612460, 35418690, 42502428, 53128035, 70837380, 106256070, 212512140]

約数ペア:

[(1, 212512140), (2, 106256070), (3, 70837380), (4, 53128035), (5, 42502428), (6, 35418690), (9, 23612460), (10, 21251214), (12, 17709345), (15, 14167476), (18, 11806230), (20, 10625607), (27, 7870820), (30, 7083738), (36, 5903115), (45, 4722492), (54, 3935410), (60, 3541869), (90, 2361246), (108, 1967705), (135, 1574164), (180, 1180623), (270, 787082), (540, 393541)]