201216780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25997}}^1$

素因数の和:26055

約数の個数: 72

約数和(自身を含む): 624575952

約数和(自身を除く): 423359172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 25997, 51994, 77991, 103988, 129985, 155982, 233973, 259970, 311964, 389955, 467946, 519940, 779910, 935892, 1117871, 1169865, 1559820, 2235742, 2339730, 3353613, 4471484, 4679460, 5589355, 6707226, 10060839, 11178710, 13414452, 16768065, 20121678, 22357420, 33536130, 40243356, 50304195, 67072260, 100608390, 201216780]

約数ペア:

[(1, 201216780), (2, 100608390), (3, 67072260), (4, 50304195), (5, 40243356), (6, 33536130), (9, 22357420), (10, 20121678), (12, 16768065), (15, 13414452), (18, 11178710), (20, 10060839), (30, 6707226), (36, 5589355), (43, 4679460), (45, 4471484), (60, 3353613), (86, 2339730), (90, 2235742), (129, 1559820), (172, 1169865), (180, 1117871), (215, 935892), (258, 779910), (387, 519940), (430, 467946), (516, 389955), (645, 311964), (774, 259970), (860, 233973), (1290, 155982), (1548, 129985), (1935, 103988), (2580, 77991), (3870, 51994), (7740, 25997)]