51664620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17573}}^1$

素因数の和:17599

約数の個数: 72

約数和(自身を含む): 168288624

約数和(自身を除く): 116624004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 17573, 35146, 52719, 70292, 87865, 105438, 123011, 175730, 210876, 246022, 263595, 351460, 369033, 492044, 527190, 615055, 738066, 861077, 1054380, 1230110, 1476132, 1722154, 1845165, 2460220, 2583231, 3444308, 3690330, 4305385, 5166462, 7380660, 8610770, 10332924, 12916155, 17221540, 25832310, 51664620]

約数ペア:

[(1, 51664620), (2, 25832310), (3, 17221540), (4, 12916155), (5, 10332924), (6, 8610770), (7, 7380660), (10, 5166462), (12, 4305385), (14, 3690330), (15, 3444308), (20, 2583231), (21, 2460220), (28, 1845165), (30, 1722154), (35, 1476132), (42, 1230110), (49, 1054380), (60, 861077), (70, 738066), (84, 615055), (98, 527190), (105, 492044), (140, 369033), (147, 351460), (196, 263595), (210, 246022), (245, 210876), (294, 175730), (420, 123011), (490, 105438), (588, 87865), (735, 70292), (980, 52719), (1470, 35146), (2940, 17573)]