31245660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10211}}^1$

素因数の和:10243

約数の個数: 72

約数和(自身を含む): 100363536

約数和(自身を除く): 69117876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 10211, 20422, 30633, 40844, 51055, 61266, 91899, 102110, 122532, 153165, 173587, 183798, 204220, 306330, 347174, 367596, 459495, 520761, 612660, 694348, 867935, 918990, 1041522, 1562283, 1735870, 1837980, 2083044, 2603805, 3124566, 3471740, 5207610, 6249132, 7811415, 10415220, 15622830, 31245660]

約数ペア:

[(1, 31245660), (2, 15622830), (3, 10415220), (4, 7811415), (5, 6249132), (6, 5207610), (9, 3471740), (10, 3124566), (12, 2603805), (15, 2083044), (17, 1837980), (18, 1735870), (20, 1562283), (30, 1041522), (34, 918990), (36, 867935), (45, 694348), (51, 612660), (60, 520761), (68, 459495), (85, 367596), (90, 347174), (102, 306330), (153, 204220), (170, 183798), (180, 173587), (204, 153165), (255, 122532), (306, 102110), (340, 91899), (510, 61266), (612, 51055), (765, 40844), (1020, 30633), (1530, 20422), (3060, 10211)]