212945280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{110909}}^1$

素因数の和:110931

約数の個数: 64

約数和(自身を含む): 678769200

約数和(自身を除く): 465823920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 110909, 221818, 332727, 443636, 554545, 665454, 887272, 1109090, 1330908, 1663635, 1774544, 2218180, 2661816, 3327270, 3549088, 4436360, 5323632, 6654540, 7098176, 8872720, 10647264, 13309080, 14196352, 17745440, 21294528, 26618160, 35490880, 42589056, 53236320, 70981760, 106472640, 212945280]

約数ペア:

[(1, 212945280), (2, 106472640), (3, 70981760), (4, 53236320), (5, 42589056), (6, 35490880), (8, 26618160), (10, 21294528), (12, 17745440), (15, 14196352), (16, 13309080), (20, 10647264), (24, 8872720), (30, 7098176), (32, 6654540), (40, 5323632), (48, 4436360), (60, 3549088), (64, 3327270), (80, 2661816), (96, 2218180), (120, 1774544), (128, 1663635), (160, 1330908), (192, 1109090), (240, 887272), (320, 665454), (384, 554545), (480, 443636), (640, 332727), (960, 221818), (1920, 110909)]