8639820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{6857}}^1$

素因数の和:6879

約数の個数: 72

約数和(自身を含む): 29955744

約数和(自身を除く): 21315924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 6857, 13714, 20571, 27428, 34285, 41142, 47999, 61713, 68570, 82284, 95998, 102855, 123426, 137140, 143997, 191996, 205710, 239995, 246852, 287994, 308565, 411420, 431991, 479990, 575988, 617130, 719985, 863982, 959980, 1234260, 1439970, 1727964, 2159955, 2879940, 4319910, 8639820]

約数ペア:

[(1, 8639820), (2, 4319910), (3, 2879940), (4, 2159955), (5, 1727964), (6, 1439970), (7, 1234260), (9, 959980), (10, 863982), (12, 719985), (14, 617130), (15, 575988), (18, 479990), (20, 431991), (21, 411420), (28, 308565), (30, 287994), (35, 246852), (36, 239995), (42, 205710), (45, 191996), (60, 143997), (63, 137140), (70, 123426), (84, 102855), (90, 95998), (105, 82284), (126, 68570), (140, 61713), (180, 47999), (210, 41142), (252, 34285), (315, 27428), (420, 20571), (630, 13714), (1260, 6857)]