218879640

素因数分解:

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

素因数の和:86881

約数の個数: 96

約数和(自身を含む): 812990880

約数和(自身を除く): 594111240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 86857, 173714, 260571, 347428, 434285, 521142, 607999, 694856, 781713, 868570, 1042284, 1215998, 1302855, 1563426, 1737140, 1823997, 2084568, 2431996, 2605710, 3039995, 3126852, 3474280, 3647994, 3908565, 4863992, 5211420, 5471991, 6079990, 6253704, 7295988, 7817130, 9119985, 10422840, 10943982, 12159980, 14591976, 15634260, 18239970, 21887964, 24319960, 27359955, 31268520, 36479940, 43775928, 54719910, 72959880, 109439820, 218879640]

約数ペア:

[(1, 218879640), (2, 109439820), (3, 72959880), (4, 54719910), (5, 43775928), (6, 36479940), (7, 31268520), (8, 27359955), (9, 24319960), (10, 21887964), (12, 18239970), (14, 15634260), (15, 14591976), (18, 12159980), (20, 10943982), (21, 10422840), (24, 9119985), (28, 7817130), (30, 7295988), (35, 6253704), (36, 6079990), (40, 5471991), (42, 5211420), (45, 4863992), (56, 3908565), (60, 3647994), (63, 3474280), (70, 3126852), (72, 3039995), (84, 2605710), (90, 2431996), (105, 2084568), (120, 1823997), (126, 1737140), (140, 1563426), (168, 1302855), (180, 1215998), (210, 1042284), (252, 868570), (280, 781713), (315, 694856), (360, 607999), (420, 521142), (504, 434285), (630, 347428), (840, 260571), (1260, 173714), (2520, 86857)]