251509860

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{7393}}^1$

素因数の和:7424

約数の個数: 144

約数和(自身を含む): 904315776

約数和(自身を除く): 652805916

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5670, 6804, 7393, 8505, 11340, 14786, 17010, 22179, 29572, 34020, 36965, 44358, 51751, 66537, 73930, 88716, 103502, 110895, 133074, 147860, 155253, 199611, 207004, 221790, 258755, 266148, 310506, 332685, 399222, 443580, 465759, 517510, 598833, 621012, 665370, 776265, 798444, 931518, 998055, 1035020, 1197666, 1330740, 1397277, 1552530, 1796499, 1863036, 1996110, 2328795, 2395332, 2794554, 2994165, 3105060, 3592998, 3992220, 4191831, 4657590, 5589108, 5988330, 6986385, 7185996, 8383662, 8982495, 9315180, 11976660, 12575493, 13972770, 16767324, 17964990, 20959155, 25150986, 27945540, 35929980, 41918310, 50301972, 62877465, 83836620, 125754930, 251509860]

約数ペア:

[(1, 251509860), (2, 125754930), (3, 83836620), (4, 62877465), (5, 50301972), (6, 41918310), (7, 35929980), (9, 27945540), (10, 25150986), (12, 20959155), (14, 17964990), (15, 16767324), (18, 13972770), (20, 12575493), (21, 11976660), (27, 9315180), (28, 8982495), (30, 8383662), (35, 7185996), (36, 6986385), (42, 5988330), (45, 5589108), (54, 4657590), (60, 4191831), (63, 3992220), (70, 3592998), (81, 3105060), (84, 2994165), (90, 2794554), (105, 2395332), (108, 2328795), (126, 1996110), (135, 1863036), (140, 1796499), (162, 1552530), (180, 1397277), (189, 1330740), (210, 1197666), (243, 1035020), (252, 998055), (270, 931518), (315, 798444), (324, 776265), (378, 665370), (405, 621012), (420, 598833), (486, 517510), (540, 465759), (567, 443580), (630, 399222), (756, 332685), (810, 310506), (945, 266148), (972, 258755), (1134, 221790), (1215, 207004), (1260, 199611), (1620, 155253), (1701, 147860), (1890, 133074), (2268, 110895), (2430, 103502), (2835, 88716), (3402, 73930), (3780, 66537), (4860, 51751), (5670, 44358), (6804, 36965), (7393, 34020), (8505, 29572), (11340, 22179), (14786, 17010)]