244920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 796320

約数和(自身を除く): 551400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 157, 195, 260, 312, 314, 390, 471, 520, 628, 780, 785, 942, 1256, 1560, 1570, 1884, 2041, 2355, 3140, 3768, 4082, 4710, 6123, 6280, 8164, 9420, 10205, 12246, 16328, 18840, 20410, 24492, 30615, 40820, 48984, 61230, 81640, 122460, 244920]

約数ペア:

[(1, 244920), (2, 122460), (3, 81640), (4, 61230), (5, 48984), (6, 40820), (8, 30615), (10, 24492), (12, 20410), (13, 18840), (15, 16328), (20, 12246), (24, 10205), (26, 9420), (30, 8164), (39, 6280), (40, 6123), (52, 4710), (60, 4082), (65, 3768), (78, 3140), (104, 2355), (120, 2041), (130, 1884), (156, 1570), (157, 1560), (195, 1256), (260, 942), (312, 785), (314, 780), (390, 628), (471, 520)]