30861180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{3499}}^1$

素因数の和:3528

約数の個数: 108

約数和(自身を含む): 108927000

約数和(自身を除く): 78065820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 3499, 4410, 6998, 8820, 10497, 13996, 17495, 20994, 24493, 31491, 34990, 41988, 48986, 52485, 62982, 69980, 73479, 97972, 104970, 122465, 125964, 146958, 157455, 171451, 209940, 220437, 244930, 293916, 314910, 342902, 367395, 440874, 489860, 514353, 629820, 685804, 734790, 857255, 881748, 1028706, 1102185, 1469580, 1543059, 1714510, 2057412, 2204370, 2571765, 3086118, 3429020, 4408740, 5143530, 6172236, 7715295, 10287060, 15430590, 30861180]

約数ペア:

[(1, 30861180), (2, 15430590), (3, 10287060), (4, 7715295), (5, 6172236), (6, 5143530), (7, 4408740), (9, 3429020), (10, 3086118), (12, 2571765), (14, 2204370), (15, 2057412), (18, 1714510), (20, 1543059), (21, 1469580), (28, 1102185), (30, 1028706), (35, 881748), (36, 857255), (42, 734790), (45, 685804), (49, 629820), (60, 514353), (63, 489860), (70, 440874), (84, 367395), (90, 342902), (98, 314910), (105, 293916), (126, 244930), (140, 220437), (147, 209940), (180, 171451), (196, 157455), (210, 146958), (245, 125964), (252, 122465), (294, 104970), (315, 97972), (420, 73479), (441, 69980), (490, 62982), (588, 52485), (630, 48986), (735, 41988), (882, 34990), (980, 31491), (1260, 24493), (1470, 20994), (1764, 17495), (2205, 13996), (2940, 10497), (3499, 8820), (4410, 6998)]