219796380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2399}}^1$

素因数の和:2923

約数の個数: 72

約数和(自身を含む): 668304000

約数和(自身を除く): 448507620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 509, 1018, 1527, 2036, 2399, 2545, 3054, 4581, 4798, 5090, 6108, 7197, 7635, 9162, 9596, 10180, 11995, 14394, 15270, 18324, 21591, 22905, 23990, 28788, 30540, 35985, 43182, 45810, 47980, 71970, 86364, 91620, 107955, 143940, 215910, 431820, 1221091, 2442182, 3663273, 4884364, 6105455, 7326546, 10989819, 12210910, 14653092, 18316365, 21979638, 24421820, 36632730, 43959276, 54949095, 73265460, 109898190, 219796380]

約数ペア:

[(1, 219796380), (2, 109898190), (3, 73265460), (4, 54949095), (5, 43959276), (6, 36632730), (9, 24421820), (10, 21979638), (12, 18316365), (15, 14653092), (18, 12210910), (20, 10989819), (30, 7326546), (36, 6105455), (45, 4884364), (60, 3663273), (90, 2442182), (180, 1221091), (509, 431820), (1018, 215910), (1527, 143940), (2036, 107955), (2399, 91620), (2545, 86364), (3054, 71970), (4581, 47980), (4798, 45810), (5090, 43182), (6108, 35985), (7197, 30540), (7635, 28788), (9162, 23990), (9596, 22905), (10180, 21591), (11995, 18324), (14394, 15270)]