127851780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43487}}^1$

素因数の和:43513

約数の個数: 72

約数和(自身を含む): 416441088

約数和(自身を除く): 288589308

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, 43487, 86974, 130461, 173948, 217435, 260922, 304409, 434870, 521844, 608818, 652305, 869740, 913227, 1217636, 1304610, 1522045, 1826454, 2130863, 2609220, 3044090, 3652908, 4261726, 4566135, 6088180, 6392589, 8523452, 9132270, 10654315, 12785178, 18264540, 21308630, 25570356, 31962945, 42617260, 63925890, 127851780]

約数ペア:

[(1, 127851780), (2, 63925890), (3, 42617260), (4, 31962945), (5, 25570356), (6, 21308630), (7, 18264540), (10, 12785178), (12, 10654315), (14, 9132270), (15, 8523452), (20, 6392589), (21, 6088180), (28, 4566135), (30, 4261726), (35, 3652908), (42, 3044090), (49, 2609220), (60, 2130863), (70, 1826454), (84, 1522045), (98, 1304610), (105, 1217636), (140, 913227), (147, 869740), (196, 652305), (210, 608818), (245, 521844), (294, 434870), (420, 304409), (490, 260922), (588, 217435), (735, 173948), (980, 130461), (1470, 86974), (2940, 43487)]