66239880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{78857}}^1$

素因数の和:78878

約数の個数: 64

約数和(自身を含む): 227111040

約数和(自身を除く): 160871160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 78857, 157714, 236571, 315428, 394285, 473142, 551999, 630856, 788570, 946284, 1103998, 1182855, 1577140, 1655997, 1892568, 2207996, 2365710, 2759995, 3154280, 3311994, 4415992, 4731420, 5519990, 6623988, 8279985, 9462840, 11039980, 13247976, 16559970, 22079960, 33119940, 66239880]

約数ペア:

[(1, 66239880), (2, 33119940), (3, 22079960), (4, 16559970), (5, 13247976), (6, 11039980), (7, 9462840), (8, 8279985), (10, 6623988), (12, 5519990), (14, 4731420), (15, 4415992), (20, 3311994), (21, 3154280), (24, 2759995), (28, 2365710), (30, 2207996), (35, 1892568), (40, 1655997), (42, 1577140), (56, 1182855), (60, 1103998), (70, 946284), (84, 788570), (105, 630856), (120, 551999), (140, 473142), (168, 394285), (210, 315428), (280, 236571), (420, 157714), (840, 78857)]