12571380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 38429664

約数和(自身を除く): 25858284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 331, 422, 633, 662, 844, 993, 1055, 1266, 1324, 1655, 1899, 1986, 2110, 2532, 2979, 3165, 3310, 3798, 3972, 4220, 4965, 5958, 6330, 6620, 7596, 9495, 9930, 11916, 12660, 14895, 18990, 19860, 29790, 37980, 59580, 69841, 139682, 209523, 279364, 349205, 419046, 628569, 698410, 838092, 1047615, 1257138, 1396820, 2095230, 2514276, 3142845, 4190460, 6285690, 12571380]

約数ペア:

[(1, 12571380), (2, 6285690), (3, 4190460), (4, 3142845), (5, 2514276), (6, 2095230), (9, 1396820), (10, 1257138), (12, 1047615), (15, 838092), (18, 698410), (20, 628569), (30, 419046), (36, 349205), (45, 279364), (60, 209523), (90, 139682), (180, 69841), (211, 59580), (331, 37980), (422, 29790), (633, 19860), (662, 18990), (844, 14895), (993, 12660), (1055, 11916), (1266, 9930), (1324, 9495), (1655, 7596), (1899, 6620), (1986, 6330), (2110, 5958), (2532, 4965), (2979, 4220), (3165, 3972), (3310, 3798)]