64936980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{983}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 197713152

約数和(自身を除く): 132776172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 367, 734, 983, 1101, 1468, 1835, 1966, 2202, 2949, 3303, 3670, 3932, 4404, 4915, 5505, 5898, 6606, 7340, 8847, 9830, 11010, 11796, 13212, 14745, 16515, 17694, 19660, 22020, 29490, 33030, 35388, 44235, 58980, 66060, 88470, 176940, 360761, 721522, 1082283, 1443044, 1803805, 2164566, 3246849, 3607610, 4329132, 5411415, 6493698, 7215220, 10822830, 12987396, 16234245, 21645660, 32468490, 64936980]

約数ペア:

[(1, 64936980), (2, 32468490), (3, 21645660), (4, 16234245), (5, 12987396), (6, 10822830), (9, 7215220), (10, 6493698), (12, 5411415), (15, 4329132), (18, 3607610), (20, 3246849), (30, 2164566), (36, 1803805), (45, 1443044), (60, 1082283), (90, 721522), (180, 360761), (367, 176940), (734, 88470), (983, 66060), (1101, 58980), (1468, 44235), (1835, 35388), (1966, 33030), (2202, 29490), (2949, 22020), (3303, 19660), (3670, 17694), (3932, 16515), (4404, 14745), (4915, 13212), (5505, 11796), (5898, 11010), (6606, 9830), (7340, 8847)]