121301960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{487}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 295142400

約数和(自身を除く): 173840440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 479, 487, 520, 958, 974, 1916, 1948, 2395, 2435, 3832, 3896, 4790, 4870, 6227, 6331, 9580, 9740, 12454, 12662, 19160, 19480, 24908, 25324, 31135, 31655, 49816, 50648, 62270, 63310, 124540, 126620, 233273, 249080, 253240, 466546, 933092, 1166365, 1866184, 2332730, 3032549, 4665460, 6065098, 9330920, 12130196, 15162745, 24260392, 30325490, 60650980, 121301960]

約数ペア:

[(1, 121301960), (2, 60650980), (4, 30325490), (5, 24260392), (8, 15162745), (10, 12130196), (13, 9330920), (20, 6065098), (26, 4665460), (40, 3032549), (52, 2332730), (65, 1866184), (104, 1166365), (130, 933092), (260, 466546), (479, 253240), (487, 249080), (520, 233273), (958, 126620), (974, 124540), (1916, 63310), (1948, 62270), (2395, 50648), (2435, 49816), (3832, 31655), (3896, 31135), (4790, 25324), (4870, 24908), (6227, 19480), (6331, 19160), (9580, 12662), (9740, 12454)]