158402040

素因数分解:

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

素因数の和:2672

約数の個数: 64

約数和(自身を含む): 476163360

約数和(自身を除く): 317761320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 661, 1322, 1983, 1997, 2644, 3305, 3966, 3994, 5288, 5991, 6610, 7932, 7988, 9915, 9985, 11982, 13220, 15864, 15976, 19830, 19970, 23964, 26440, 29955, 39660, 39940, 47928, 59910, 79320, 79880, 119820, 239640, 1320017, 2640034, 3960051, 5280068, 6600085, 7920102, 10560136, 13200170, 15840204, 19800255, 26400340, 31680408, 39600510, 52800680, 79201020, 158402040]

約数ペア:

[(1, 158402040), (2, 79201020), (3, 52800680), (4, 39600510), (5, 31680408), (6, 26400340), (8, 19800255), (10, 15840204), (12, 13200170), (15, 10560136), (20, 7920102), (24, 6600085), (30, 5280068), (40, 3960051), (60, 2640034), (120, 1320017), (661, 239640), (1322, 119820), (1983, 79880), (1997, 79320), (2644, 59910), (3305, 47928), (3966, 39940), (3994, 39660), (5288, 29955), (5991, 26440), (6610, 23964), (7932, 19970), (7988, 19830), (9915, 15976), (9985, 15864), (11982, 13220)]