19680060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1361}}^1$

素因数の和:1614

約数の個数: 48

約数和(自身を含む): 55373472

約数和(自身を除く): 35693412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1361, 1446, 2410, 2722, 2892, 3615, 4083, 4820, 5444, 6805, 7230, 8166, 13610, 14460, 16332, 20415, 27220, 40830, 81660, 328001, 656002, 984003, 1312004, 1640005, 1968006, 3280010, 3936012, 4920015, 6560020, 9840030, 19680060]

約数ペア:

[(1, 19680060), (2, 9840030), (3, 6560020), (4, 4920015), (5, 3936012), (6, 3280010), (10, 1968006), (12, 1640005), (15, 1312004), (20, 984003), (30, 656002), (60, 328001), (241, 81660), (482, 40830), (723, 27220), (964, 20415), (1205, 16332), (1361, 14460), (1446, 13610), (2410, 8166), (2722, 7230), (2892, 6805), (3615, 5444), (4083, 4820)]