2646180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 8192184

約数和(自身を除く): 5546004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 241, 244, 305, 366, 482, 549, 610, 723, 732, 915, 964, 1098, 1205, 1220, 1446, 1830, 2169, 2196, 2410, 2745, 2892, 3615, 3660, 4338, 4820, 5490, 7230, 8676, 10845, 10980, 14460, 14701, 21690, 29402, 43380, 44103, 58804, 73505, 88206, 132309, 147010, 176412, 220515, 264618, 294020, 441030, 529236, 661545, 882060, 1323090, 2646180]

約数ペア:

[(1, 2646180), (2, 1323090), (3, 882060), (4, 661545), (5, 529236), (6, 441030), (9, 294020), (10, 264618), (12, 220515), (15, 176412), (18, 147010), (20, 132309), (30, 88206), (36, 73505), (45, 58804), (60, 44103), (61, 43380), (90, 29402), (122, 21690), (180, 14701), (183, 14460), (241, 10980), (244, 10845), (305, 8676), (366, 7230), (482, 5490), (549, 4820), (610, 4338), (723, 3660), (732, 3615), (915, 2892), (964, 2745), (1098, 2410), (1205, 2196), (1220, 2169), (1446, 1830)]