161203140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^4\times {\mathrm{373}}^1$

素因数の和:416

約数の個数: 180

約数和(自身を含む): 571975404

約数和(自身を除く): 410772264

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, 343, 373, 420, 441, 490, 588, 630, 686, 735, 746, 882, 980, 1029, 1119, 1260, 1372, 1470, 1492, 1715, 1764, 1865, 2058, 2205, 2238, 2401, 2611, 2940, 3087, 3357, 3430, 3730, 4116, 4410, 4476, 4802, 5145, 5222, 5595, 6174, 6714, 6860, 7203, 7460, 7833, 8820, 9604, 10290, 10444, 11190, 12005, 12348, 13055, 13428, 14406, 15435, 15666, 16785, 18277, 20580, 21609, 22380, 23499, 24010, 26110, 28812, 30870, 31332, 33570, 36015, 36554, 39165, 43218, 46998, 48020, 52220, 54831, 61740, 67140, 72030, 73108, 78330, 86436, 91385, 93996, 108045, 109662, 117495, 127939, 144060, 156660, 164493, 182770, 216090, 219324, 234990, 255878, 274155, 328986, 365540, 383817, 432180, 469980, 511756, 548310, 639695, 657972, 767634, 822465, 895573, 1096620, 1151451, 1279390, 1535268, 1644930, 1791146, 1919085, 2302902, 2558780, 2686719, 3289860, 3582292, 3838170, 4477865, 4605804, 5373438, 5757255, 7676340, 8060157, 8955730, 10746876, 11514510, 13433595, 16120314, 17911460, 23029020, 26867190, 32240628, 40300785, 53734380, 80601570, 161203140]

約数ペア:

[(1, 161203140), (2, 80601570), (3, 53734380), (4, 40300785), (5, 32240628), (6, 26867190), (7, 23029020), (9, 17911460), (10, 16120314), (12, 13433595), (14, 11514510), (15, 10746876), (18, 8955730), (20, 8060157), (21, 7676340), (28, 5757255), (30, 5373438), (35, 4605804), (36, 4477865), (42, 3838170), (45, 3582292), (49, 3289860), (60, 2686719), (63, 2558780), (70, 2302902), (84, 1919085), (90, 1791146), (98, 1644930), (105, 1535268), (126, 1279390), (140, 1151451), (147, 1096620), (180, 895573), (196, 822465), (210, 767634), (245, 657972), (252, 639695), (294, 548310), (315, 511756), (343, 469980), (373, 432180), (420, 383817), (441, 365540), (490, 328986), (588, 274155), (630, 255878), (686, 234990), (735, 219324), (746, 216090), (882, 182770), (980, 164493), (1029, 156660), (1119, 144060), (1260, 127939), (1372, 117495), (1470, 109662), (1492, 108045), (1715, 93996), (1764, 91385), (1865, 86436), (2058, 78330), (2205, 73108), (2238, 72030), (2401, 67140), (2611, 61740), (2940, 54831), (3087, 52220), (3357, 48020), (3430, 46998), (3730, 43218), (4116, 39165), (4410, 36554), (4476, 36015), (4802, 33570), (5145, 31332), (5222, 30870), (5595, 28812), (6174, 26110), (6714, 24010), (6860, 23499), (7203, 22380), (7460, 21609), (7833, 20580), (8820, 18277), (9604, 16785), (10290, 15666), (10444, 15435), (11190, 14406), (12005, 13428), (12348, 13055)]