328679820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{260857}}^1$

素因数の和:260879

約数の個数: 72

約数和(自身を含む): 1139427744

約数和(自身を除く): 810747924

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, 260857, 521714, 782571, 1043428, 1304285, 1565142, 1825999, 2347713, 2608570, 3130284, 3651998, 3912855, 4695426, 5217140, 5477997, 7303996, 7825710, 9129995, 9390852, 10955994, 11738565, 15651420, 16433991, 18259990, 21911988, 23477130, 27389985, 32867982, 36519980, 46954260, 54779970, 65735964, 82169955, 109559940, 164339910, 328679820]

約数ペア:

[(1, 328679820), (2, 164339910), (3, 109559940), (4, 82169955), (5, 65735964), (6, 54779970), (7, 46954260), (9, 36519980), (10, 32867982), (12, 27389985), (14, 23477130), (15, 21911988), (18, 18259990), (20, 16433991), (21, 15651420), (28, 11738565), (30, 10955994), (35, 9390852), (36, 9129995), (42, 7825710), (45, 7303996), (60, 5477997), (63, 5217140), (70, 4695426), (84, 3912855), (90, 3651998), (105, 3130284), (126, 2608570), (140, 2347713), (180, 1825999), (210, 1565142), (252, 1304285), (315, 1043428), (420, 782571), (630, 521714), (1260, 260857)]