64854180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{631}}^1$

素因数の和:1217

約数の個数: 72

約数和(自身を含む): 197381184

約数和(自身を除く): 132527004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 571, 631, 1142, 1262, 1713, 1893, 2284, 2524, 2855, 3155, 3426, 3786, 5139, 5679, 5710, 6310, 6852, 7572, 8565, 9465, 10278, 11358, 11420, 12620, 17130, 18930, 20556, 22716, 25695, 28395, 34260, 37860, 51390, 56790, 102780, 113580, 360301, 720602, 1080903, 1441204, 1801505, 2161806, 3242709, 3603010, 4323612, 5404515, 6485418, 7206020, 10809030, 12970836, 16213545, 21618060, 32427090, 64854180]

約数ペア:

[(1, 64854180), (2, 32427090), (3, 21618060), (4, 16213545), (5, 12970836), (6, 10809030), (9, 7206020), (10, 6485418), (12, 5404515), (15, 4323612), (18, 3603010), (20, 3242709), (30, 2161806), (36, 1801505), (45, 1441204), (60, 1080903), (90, 720602), (180, 360301), (571, 113580), (631, 102780), (1142, 56790), (1262, 51390), (1713, 37860), (1893, 34260), (2284, 28395), (2524, 25695), (2855, 22716), (3155, 20556), (3426, 18930), (3786, 17130), (5139, 12620), (5679, 11420), (5710, 11358), (6310, 10278), (6852, 9465), (7572, 8565)]