25380180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20143}}^1$

素因数の和:20165

約数の個数: 72

約数和(自身を含む): 87988992

約数和(自身を除く): 62608812

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, 20143, 40286, 60429, 80572, 100715, 120858, 141001, 181287, 201430, 241716, 282002, 302145, 362574, 402860, 423003, 564004, 604290, 705005, 725148, 846006, 906435, 1208580, 1269009, 1410010, 1692012, 1812870, 2115015, 2538018, 2820020, 3625740, 4230030, 5076036, 6345045, 8460060, 12690090, 25380180]

約数ペア:

[(1, 25380180), (2, 12690090), (3, 8460060), (4, 6345045), (5, 5076036), (6, 4230030), (7, 3625740), (9, 2820020), (10, 2538018), (12, 2115015), (14, 1812870), (15, 1692012), (18, 1410010), (20, 1269009), (21, 1208580), (28, 906435), (30, 846006), (35, 725148), (36, 705005), (42, 604290), (45, 564004), (60, 423003), (63, 402860), (70, 362574), (84, 302145), (90, 282002), (105, 241716), (126, 201430), (140, 181287), (180, 141001), (210, 120858), (252, 100715), (315, 80572), (420, 60429), (630, 40286), (1260, 20143)]