72959880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86857}}^1$

素因数の和:86878

約数の個数: 64

約数和(自身を含む): 250151040

約数和(自身を除く): 177191160

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, 86857, 173714, 260571, 347428, 434285, 521142, 607999, 694856, 868570, 1042284, 1215998, 1302855, 1737140, 1823997, 2084568, 2431996, 2605710, 3039995, 3474280, 3647994, 4863992, 5211420, 6079990, 7295988, 9119985, 10422840, 12159980, 14591976, 18239970, 24319960, 36479940, 72959880]

約数ペア:

[(1, 72959880), (2, 36479940), (3, 24319960), (4, 18239970), (5, 14591976), (6, 12159980), (7, 10422840), (8, 9119985), (10, 7295988), (12, 6079990), (14, 5211420), (15, 4863992), (20, 3647994), (21, 3474280), (24, 3039995), (28, 2605710), (30, 2431996), (35, 2084568), (40, 1823997), (42, 1737140), (56, 1302855), (60, 1215998), (70, 1042284), (84, 868570), (105, 694856), (120, 607999), (140, 521142), (168, 434285), (210, 347428), (280, 260571), (420, 173714), (840, 86857)]