204091020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{161977}}^1$

素因数の和:161999

約数の個数: 72

約数和(自身を含む): 707519904

約数和(自身を除く): 503428884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 161977, 323954, 485931, 647908, 809885, 971862, 1133839, 1457793, 1619770, 1943724, 2267678, 2429655, 2915586, 3239540, 3401517, 4535356, 4859310, 5669195, 5831172, 6803034, 7288965, 9718620, 10204551, 11338390, 13606068, 14577930, 17007585, 20409102, 22676780, 29155860, 34015170, 40818204, 51022755, 68030340, 102045510, 204091020]

約数ペア:

[(1, 204091020), (2, 102045510), (3, 68030340), (4, 51022755), (5, 40818204), (6, 34015170), (7, 29155860), (9, 22676780), (10, 20409102), (12, 17007585), (14, 14577930), (15, 13606068), (18, 11338390), (20, 10204551), (21, 9718620), (28, 7288965), (30, 6803034), (35, 5831172), (36, 5669195), (42, 4859310), (45, 4535356), (60, 3401517), (63, 3239540), (70, 2915586), (84, 2429655), (90, 2267678), (105, 1943724), (126, 1619770), (140, 1457793), (180, 1133839), (210, 971862), (252, 809885), (315, 647908), (420, 485931), (630, 323954), (1260, 161977)]