79201020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1997}}^1$

素因数の和:2670

約数の個数: 48

約数和(自身を含む): 222209568

約数和(自身を除く): 143008548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 1322, 1983, 1997, 2644, 3305, 3966, 3994, 5991, 6610, 7932, 7988, 9915, 9985, 11982, 13220, 19830, 19970, 23964, 29955, 39660, 39940, 59910, 119820, 1320017, 2640034, 3960051, 5280068, 6600085, 7920102, 13200170, 15840204, 19800255, 26400340, 39600510, 79201020]

約数ペア:

[(1, 79201020), (2, 39600510), (3, 26400340), (4, 19800255), (5, 15840204), (6, 13200170), (10, 7920102), (12, 6600085), (15, 5280068), (20, 3960051), (30, 2640034), (60, 1320017), (661, 119820), (1322, 59910), (1983, 39940), (1997, 39660), (2644, 29955), (3305, 23964), (3966, 19970), (3994, 19830), (5991, 13220), (6610, 11982), (7932, 9985), (7988, 9915)]