68518620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1097}}^1$

素因数の和:1459

約数の個数: 72

約数和(自身を含む): 208628784

約数和(自身を除く): 140110164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 1041, 1097, 1388, 1735, 2082, 2194, 3123, 3291, 3470, 4164, 4388, 5205, 5485, 6246, 6582, 6940, 9873, 10410, 10970, 12492, 13164, 15615, 16455, 19746, 20820, 21940, 31230, 32910, 39492, 49365, 62460, 65820, 98730, 197460, 380659, 761318, 1141977, 1522636, 1903295, 2283954, 3425931, 3806590, 4567908, 5709885, 6851862, 7613180, 11419770, 13703724, 17129655, 22839540, 34259310, 68518620]

約数ペア:

[(1, 68518620), (2, 34259310), (3, 22839540), (4, 17129655), (5, 13703724), (6, 11419770), (9, 7613180), (10, 6851862), (12, 5709885), (15, 4567908), (18, 3806590), (20, 3425931), (30, 2283954), (36, 1903295), (45, 1522636), (60, 1141977), (90, 761318), (180, 380659), (347, 197460), (694, 98730), (1041, 65820), (1097, 62460), (1388, 49365), (1735, 39492), (2082, 32910), (2194, 31230), (3123, 21940), (3291, 20820), (3470, 19746), (4164, 16455), (4388, 15615), (5205, 13164), (5485, 12492), (6246, 10970), (6582, 10410), (6940, 9873)]