261067590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{2819}}^1$

素因数の和:2856

約数の個数: 128

約数和(自身を含む): 812160000

約数和(自身を除く): 551092410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 343, 378, 441, 490, 630, 686, 735, 882, 945, 1029, 1323, 1470, 1715, 1890, 2058, 2205, 2646, 2819, 3087, 3430, 4410, 5145, 5638, 6174, 6615, 8457, 9261, 10290, 13230, 14095, 15435, 16914, 18522, 19733, 25371, 28190, 30870, 39466, 42285, 46305, 50742, 59199, 76113, 84570, 92610, 98665, 118398, 126855, 138131, 152226, 177597, 197330, 253710, 276262, 295995, 355194, 380565, 414393, 532791, 591990, 690655, 761130, 828786, 887985, 966917, 1065582, 1243179, 1381310, 1775970, 1933834, 2071965, 2486358, 2663955, 2900751, 3729537, 4143930, 4834585, 5327910, 5801502, 6215895, 7459074, 8702253, 9669170, 12431790, 14503755, 17404506, 18647685, 26106759, 29007510, 37295370, 43511265, 52213518, 87022530, 130533795, 261067590]

約数ペア:

[(1, 261067590), (2, 130533795), (3, 87022530), (5, 52213518), (6, 43511265), (7, 37295370), (9, 29007510), (10, 26106759), (14, 18647685), (15, 17404506), (18, 14503755), (21, 12431790), (27, 9669170), (30, 8702253), (35, 7459074), (42, 6215895), (45, 5801502), (49, 5327910), (54, 4834585), (63, 4143930), (70, 3729537), (90, 2900751), (98, 2663955), (105, 2486358), (126, 2071965), (135, 1933834), (147, 1775970), (189, 1381310), (210, 1243179), (245, 1065582), (270, 966917), (294, 887985), (315, 828786), (343, 761130), (378, 690655), (441, 591990), (490, 532791), (630, 414393), (686, 380565), (735, 355194), (882, 295995), (945, 276262), (1029, 253710), (1323, 197330), (1470, 177597), (1715, 152226), (1890, 138131), (2058, 126855), (2205, 118398), (2646, 98665), (2819, 92610), (3087, 84570), (3430, 76113), (4410, 59199), (5145, 50742), (5638, 46305), (6174, 42285), (6615, 39466), (8457, 30870), (9261, 28190), (10290, 25371), (13230, 19733), (14095, 18522), (15435, 16914)]