72664720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31321}}^1$

素因数の和:31363

約数の個数: 40

約数和(自身を含む): 174776760

約数和(自身を除く): 102112040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 31321, 62642, 125284, 156605, 250568, 313210, 501136, 626420, 908309, 1252840, 1816618, 2505680, 3633236, 4541545, 7266472, 9083090, 14532944, 18166180, 36332360, 72664720]

約数ペア:

[(1, 72664720), (2, 36332360), (4, 18166180), (5, 14532944), (8, 9083090), (10, 7266472), (16, 4541545), (20, 3633236), (29, 2505680), (40, 1816618), (58, 1252840), (80, 908309), (116, 626420), (145, 501136), (232, 313210), (290, 250568), (464, 156605), (580, 125284), (1160, 62642), (2320, 31321)]