199556760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127921}}^1$

素因数の和:127948

約数の個数: 64

約数和(自身を含む): 644726880

約数和(自身を除く): 445170120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 127921, 255842, 383763, 511684, 639605, 767526, 1023368, 1279210, 1535052, 1662973, 1918815, 2558420, 3070104, 3325946, 3837630, 4988919, 5116840, 6651892, 7675260, 8314865, 9977838, 13303784, 15350520, 16629730, 19955676, 24944595, 33259460, 39911352, 49889190, 66518920, 99778380, 199556760]

約数ペア:

[(1, 199556760), (2, 99778380), (3, 66518920), (4, 49889190), (5, 39911352), (6, 33259460), (8, 24944595), (10, 19955676), (12, 16629730), (13, 15350520), (15, 13303784), (20, 9977838), (24, 8314865), (26, 7675260), (30, 6651892), (39, 5116840), (40, 4988919), (52, 3837630), (60, 3325946), (65, 3070104), (78, 2558420), (104, 1918815), (120, 1662973), (130, 1535052), (156, 1279210), (195, 1023368), (260, 767526), (312, 639605), (390, 511684), (520, 383763), (780, 255842), (1560, 127921)]