78264288

素因数分解:

$2^5\times 3^2\times {\mathrm{331}}^1\times {\mathrm{821}}^1$

素因数の和:1168

約数の個数: 72

約数和(自身を含む): 223508376

約数和(自身を除く): 145244088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 331, 662, 821, 993, 1324, 1642, 1986, 2463, 2648, 2979, 3284, 3972, 4926, 5296, 5958, 6568, 7389, 7944, 9852, 10592, 11916, 13136, 14778, 15888, 19704, 23832, 26272, 29556, 31776, 39408, 47664, 59112, 78816, 95328, 118224, 236448, 271751, 543502, 815253, 1087004, 1630506, 2174008, 2445759, 3261012, 4348016, 4891518, 6522024, 8696032, 9783036, 13044048, 19566072, 26088096, 39132144, 78264288]

約数ペア:

[(1, 78264288), (2, 39132144), (3, 26088096), (4, 19566072), (6, 13044048), (8, 9783036), (9, 8696032), (12, 6522024), (16, 4891518), (18, 4348016), (24, 3261012), (32, 2445759), (36, 2174008), (48, 1630506), (72, 1087004), (96, 815253), (144, 543502), (288, 271751), (331, 236448), (662, 118224), (821, 95328), (993, 78816), (1324, 59112), (1642, 47664), (1986, 39408), (2463, 31776), (2648, 29556), (2979, 26272), (3284, 23832), (3972, 19704), (4926, 15888), (5296, 14778), (5958, 13136), (6568, 11916), (7389, 10592), (7944, 9852)]