1991724540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{1933}}^1$

素因数の和:3279

約数の個数: 96

約数和(自身を含む): 6013471296

約数和(自身を除く): 4021746756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1321, 1933, 2642, 3866, 3963, 5284, 5799, 6605, 7732, 7926, 9665, 11598, 13210, 15852, 17173, 19330, 19815, 23196, 25129, 26420, 28995, 34346, 38660, 39630, 50258, 51519, 57990, 68692, 75387, 79260, 85865, 100516, 103038, 115980, 125645, 150774, 171730, 206076, 251290, 257595, 301548, 343460, 376935, 502580, 515190, 753870, 1030380, 1507740, 2553493, 5106986, 7660479, 10213972, 12767465, 15320958, 25534930, 30641916, 33195409, 38302395, 51069860, 66390818, 76604790, 99586227, 132781636, 153209580, 165977045, 199172454, 331954090, 398344908, 497931135, 663908180, 995862270, 1991724540]

約数ペア:

[(1, 1991724540), (2, 995862270), (3, 663908180), (4, 497931135), (5, 398344908), (6, 331954090), (10, 199172454), (12, 165977045), (13, 153209580), (15, 132781636), (20, 99586227), (26, 76604790), (30, 66390818), (39, 51069860), (52, 38302395), (60, 33195409), (65, 30641916), (78, 25534930), (130, 15320958), (156, 12767465), (195, 10213972), (260, 7660479), (390, 5106986), (780, 2553493), (1321, 1507740), (1933, 1030380), (2642, 753870), (3866, 515190), (3963, 502580), (5284, 376935), (5799, 343460), (6605, 301548), (7732, 257595), (7926, 251290), (9665, 206076), (11598, 171730), (13210, 150774), (15852, 125645), (17173, 115980), (19330, 103038), (19815, 100516), (23196, 85865), (25129, 79260), (26420, 75387), (28995, 68692), (34346, 57990), (38660, 51519), (39630, 50258)]