253657560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{162601}}^1$

素因数の和:162628

約数の個数: 64

約数和(自身を含む): 819514080

約数和(自身を除く): 565856520

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, 195, 260, 312, 390, 520, 780, 1560, 162601, 325202, 487803, 650404, 813005, 975606, 1300808, 1626010, 1951212, 2113813, 2439015, 3252020, 3902424, 4227626, 4878030, 6341439, 6504040, 8455252, 9756060, 10569065, 12682878, 16910504, 19512120, 21138130, 25365756, 31707195, 42276260, 50731512, 63414390, 84552520, 126828780, 253657560]

約数ペア:

[(1, 253657560), (2, 126828780), (3, 84552520), (4, 63414390), (5, 50731512), (6, 42276260), (8, 31707195), (10, 25365756), (12, 21138130), (13, 19512120), (15, 16910504), (20, 12682878), (24, 10569065), (26, 9756060), (30, 8455252), (39, 6504040), (40, 6341439), (52, 4878030), (60, 4227626), (65, 3902424), (78, 3252020), (104, 2439015), (120, 2113813), (130, 1951212), (156, 1626010), (195, 1300808), (260, 975606), (312, 813005), (390, 650404), (520, 487803), (780, 325202), (1560, 162601)]