2780640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1931}}^1$

素因数の和:1952

約数の個数: 72

約数和(自身を含む): 9493848

約数和(自身を除く): 6713208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1931, 3862, 5793, 7724, 9655, 11586, 15448, 17379, 19310, 23172, 28965, 30896, 34758, 38620, 46344, 57930, 61792, 69516, 77240, 86895, 92688, 115860, 139032, 154480, 173790, 185376, 231720, 278064, 308960, 347580, 463440, 556128, 695160, 926880, 1390320, 2780640]

約数ペア:

[(1, 2780640), (2, 1390320), (3, 926880), (4, 695160), (5, 556128), (6, 463440), (8, 347580), (9, 308960), (10, 278064), (12, 231720), (15, 185376), (16, 173790), (18, 154480), (20, 139032), (24, 115860), (30, 92688), (32, 86895), (36, 77240), (40, 69516), (45, 61792), (48, 57930), (60, 46344), (72, 38620), (80, 34758), (90, 30896), (96, 28965), (120, 23172), (144, 19310), (160, 17379), (180, 15448), (240, 11586), (288, 9655), (360, 7724), (480, 5793), (720, 3862), (1440, 1931)]