78936720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4909}}^1$

素因数の和:4992

約数の個数: 80

約数和(自身を含む): 248406720

約数和(自身を除く): 169470000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 1005, 1072, 1340, 1608, 2010, 2680, 3216, 4020, 4909, 5360, 8040, 9818, 14727, 16080, 19636, 24545, 29454, 39272, 49090, 58908, 73635, 78544, 98180, 117816, 147270, 196360, 235632, 294540, 328903, 392720, 589080, 657806, 986709, 1178160, 1315612, 1644515, 1973418, 2631224, 3289030, 3946836, 4933545, 5262448, 6578060, 7893672, 9867090, 13156120, 15787344, 19734180, 26312240, 39468360, 78936720]

約数ペア:

[(1, 78936720), (2, 39468360), (3, 26312240), (4, 19734180), (5, 15787344), (6, 13156120), (8, 9867090), (10, 7893672), (12, 6578060), (15, 5262448), (16, 4933545), (20, 3946836), (24, 3289030), (30, 2631224), (40, 1973418), (48, 1644515), (60, 1315612), (67, 1178160), (80, 986709), (120, 657806), (134, 589080), (201, 392720), (240, 328903), (268, 294540), (335, 235632), (402, 196360), (536, 147270), (670, 117816), (804, 98180), (1005, 78544), (1072, 73635), (1340, 58908), (1608, 49090), (2010, 39272), (2680, 29454), (3216, 24545), (4020, 19636), (4909, 16080), (5360, 14727), (8040, 9818)]