121009120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{787}}^1$

素因数の和:864

約数の個数: 72

約数和(自身を含む): 295778952

約数和(自身を除く): 174769832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 787, 961, 992, 1240, 1574, 1922, 2480, 3148, 3844, 3935, 4805, 4960, 6296, 7688, 7870, 9610, 12592, 15376, 15740, 19220, 24397, 25184, 30752, 31480, 38440, 48794, 62960, 76880, 97588, 121985, 125920, 153760, 195176, 243970, 390352, 487940, 756307, 780704, 975880, 1512614, 1951760, 3025228, 3781535, 3903520, 6050456, 7563070, 12100912, 15126140, 24201824, 30252280, 60504560, 121009120]

約数ペア:

[(1, 121009120), (2, 60504560), (4, 30252280), (5, 24201824), (8, 15126140), (10, 12100912), (16, 7563070), (20, 6050456), (31, 3903520), (32, 3781535), (40, 3025228), (62, 1951760), (80, 1512614), (124, 975880), (155, 780704), (160, 756307), (248, 487940), (310, 390352), (496, 243970), (620, 195176), (787, 153760), (961, 125920), (992, 121985), (1240, 97588), (1574, 76880), (1922, 62960), (2480, 48794), (3148, 38440), (3844, 31480), (3935, 30752), (4805, 25184), (4960, 24397), (6296, 19220), (7688, 15740), (7870, 15376), (9610, 12592)]