205812540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 668461248

約数和(自身を除く): 462648708

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, 103, 153, 170, 180, 204, 206, 255, 306, 309, 340, 412, 510, 515, 612, 618, 653, 765, 927, 1020, 1030, 1236, 1306, 1530, 1545, 1751, 1854, 1959, 2060, 2612, 3060, 3090, 3265, 3502, 3708, 3918, 4635, 5253, 5877, 6180, 6530, 7004, 7836, 8755, 9270, 9795, 10506, 11101, 11754, 13060, 15759, 17510, 18540, 19590, 21012, 22202, 23508, 26265, 29385, 31518, 33303, 35020, 39180, 44404, 52530, 55505, 58770, 63036, 66606, 67259, 78795, 99909, 105060, 111010, 117540, 133212, 134518, 157590, 166515, 199818, 201777, 222020, 269036, 315180, 333030, 336295, 399636, 403554, 499545, 605331, 666060, 672590, 807108, 999090, 1008885, 1143403, 1210662, 1345180, 1998180, 2017770, 2286806, 2421324, 3026655, 3430209, 4035540, 4573612, 5717015, 6053310, 6860418, 10290627, 11434030, 12106620, 13720836, 17151045, 20581254, 22868060, 34302090, 41162508, 51453135, 68604180, 102906270, 205812540]

約数ペア:

[(1, 205812540), (2, 102906270), (3, 68604180), (4, 51453135), (5, 41162508), (6, 34302090), (9, 22868060), (10, 20581254), (12, 17151045), (15, 13720836), (17, 12106620), (18, 11434030), (20, 10290627), (30, 6860418), (34, 6053310), (36, 5717015), (45, 4573612), (51, 4035540), (60, 3430209), (68, 3026655), (85, 2421324), (90, 2286806), (102, 2017770), (103, 1998180), (153, 1345180), (170, 1210662), (180, 1143403), (204, 1008885), (206, 999090), (255, 807108), (306, 672590), (309, 666060), (340, 605331), (412, 499545), (510, 403554), (515, 399636), (612, 336295), (618, 333030), (653, 315180), (765, 269036), (927, 222020), (1020, 201777), (1030, 199818), (1236, 166515), (1306, 157590), (1530, 134518), (1545, 133212), (1751, 117540), (1854, 111010), (1959, 105060), (2060, 99909), (2612, 78795), (3060, 67259), (3090, 66606), (3265, 63036), (3502, 58770), (3708, 55505), (3918, 52530), (4635, 44404), (5253, 39180), (5877, 35020), (6180, 33303), (6530, 31518), (7004, 29385), (7836, 26265), (8755, 23508), (9270, 22202), (9795, 21012), (10506, 19590), (11101, 18540), (11754, 17510), (13060, 15759)]