85139820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1429}}^1$

素因数の和:1775

約数の個数: 72

約数和(自身を含む): 259218960

約数和(自身を除く): 174079140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1429, 1655, 1986, 2858, 2979, 3310, 3972, 4287, 4965, 5716, 5958, 6620, 7145, 8574, 9930, 11916, 12861, 14290, 14895, 17148, 19860, 21435, 25722, 28580, 29790, 42870, 51444, 59580, 64305, 85740, 128610, 257220, 472999, 945998, 1418997, 1891996, 2364995, 2837994, 4256991, 4729990, 5675988, 7094985, 8513982, 9459980, 14189970, 17027964, 21284955, 28379940, 42569910, 85139820]

約数ペア:

[(1, 85139820), (2, 42569910), (3, 28379940), (4, 21284955), (5, 17027964), (6, 14189970), (9, 9459980), (10, 8513982), (12, 7094985), (15, 5675988), (18, 4729990), (20, 4256991), (30, 2837994), (36, 2364995), (45, 1891996), (60, 1418997), (90, 945998), (180, 472999), (331, 257220), (662, 128610), (993, 85740), (1324, 64305), (1429, 59580), (1655, 51444), (1986, 42870), (2858, 29790), (2979, 28580), (3310, 25722), (3972, 21435), (4287, 19860), (4965, 17148), (5716, 14895), (5958, 14290), (6620, 12861), (7145, 11916), (8574, 9930)]