81857730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1203

約数の個数: 64

約数和(自身を含む): 204736896

約数和(自身を除く): 122879166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 61, 82, 122, 123, 183, 205, 246, 305, 366, 410, 610, 615, 915, 1091, 1230, 1830, 2182, 2501, 3273, 5002, 5455, 6546, 7503, 10910, 12505, 15006, 16365, 25010, 32730, 37515, 44731, 66551, 75030, 89462, 133102, 134193, 199653, 223655, 268386, 332755, 399306, 447310, 665510, 670965, 998265, 1341930, 1996530, 2728591, 5457182, 8185773, 13642955, 16371546, 27285910, 40928865, 81857730]

約数ペア:

[(1, 81857730), (2, 40928865), (3, 27285910), (5, 16371546), (6, 13642955), (10, 8185773), (15, 5457182), (30, 2728591), (41, 1996530), (61, 1341930), (82, 998265), (122, 670965), (123, 665510), (183, 447310), (205, 399306), (246, 332755), (305, 268386), (366, 223655), (410, 199653), (610, 134193), (615, 133102), (915, 89462), (1091, 75030), (1230, 66551), (1830, 44731), (2182, 37515), (2501, 32730), (3273, 25010), (5002, 16365), (5455, 15006), (6546, 12505), (7503, 10910)]