135878720

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6961}}^1$

素因数の和:7039

約数の個数: 56

約数和(自身を含む): 328912728

約数和(自身を除く): 193034008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 6961, 9760, 13922, 19520, 27844, 34805, 55688, 69610, 111376, 139220, 222752, 278440, 424621, 445504, 556880, 849242, 1113760, 1698484, 2123105, 2227520, 3396968, 4246210, 6793936, 8492420, 13587872, 16984840, 27175744, 33969680, 67939360, 135878720]

約数ペア:

[(1, 135878720), (2, 67939360), (4, 33969680), (5, 27175744), (8, 16984840), (10, 13587872), (16, 8492420), (20, 6793936), (32, 4246210), (40, 3396968), (61, 2227520), (64, 2123105), (80, 1698484), (122, 1113760), (160, 849242), (244, 556880), (305, 445504), (320, 424621), (488, 278440), (610, 222752), (976, 139220), (1220, 111376), (1952, 69610), (2440, 55688), (3904, 34805), (4880, 27844), (6961, 19520), (9760, 13922)]