129780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 454272

約数和(自身を除く): 324492

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, 103, 105, 126, 140, 180, 206, 210, 252, 309, 315, 412, 420, 515, 618, 630, 721, 927, 1030, 1236, 1260, 1442, 1545, 1854, 2060, 2163, 2884, 3090, 3605, 3708, 4326, 4635, 6180, 6489, 7210, 8652, 9270, 10815, 12978, 14420, 18540, 21630, 25956, 32445, 43260, 64890, 129780]

約数ペア:

[(1, 129780), (2, 64890), (3, 43260), (4, 32445), (5, 25956), (6, 21630), (7, 18540), (9, 14420), (10, 12978), (12, 10815), (14, 9270), (15, 8652), (18, 7210), (20, 6489), (21, 6180), (28, 4635), (30, 4326), (35, 3708), (36, 3605), (42, 3090), (45, 2884), (60, 2163), (63, 2060), (70, 1854), (84, 1545), (90, 1442), (103, 1260), (105, 1236), (126, 1030), (140, 927), (180, 721), (206, 630), (210, 618), (252, 515), (309, 420), (315, 412)]