15668632120

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1327}}^1\times {\mathrm{1399}}^1$

素因数の和:2948

約数の個数: 64

約数和(自身を含む): 35473536000

約数和(自身を除く): 19804903880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1327, 1399, 1688, 2110, 2654, 2798, 4220, 5308, 5596, 6635, 6995, 8440, 10616, 11192, 13270, 13990, 26540, 27980, 53080, 55960, 279997, 295189, 559994, 590378, 1119988, 1180756, 1399985, 1475945, 1856473, 2239976, 2361512, 2799970, 2951890, 3712946, 5599940, 5903780, 7425892, 9282365, 11199880, 11807560, 14851784, 18564730, 37129460, 74258920, 391715803, 783431606, 1566863212, 1958579015, 3133726424, 3917158030, 7834316060, 15668632120]

約数ペア:

[(1, 15668632120), (2, 7834316060), (4, 3917158030), (5, 3133726424), (8, 1958579015), (10, 1566863212), (20, 783431606), (40, 391715803), (211, 74258920), (422, 37129460), (844, 18564730), (1055, 14851784), (1327, 11807560), (1399, 11199880), (1688, 9282365), (2110, 7425892), (2654, 5903780), (2798, 5599940), (4220, 3712946), (5308, 2951890), (5596, 2799970), (6635, 2361512), (6995, 2239976), (8440, 1856473), (10616, 1475945), (11192, 1399985), (13270, 1180756), (13990, 1119988), (26540, 590378), (27980, 559994), (53080, 295189), (55960, 279997)]