140246015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 218652672

約数和(自身を除く): 78406657

約数列:

[1, 5, 7, 13, 31, 35, 61, 65, 91, 155, 163, 217, 305, 403, 427, 455, 793, 815, 1085, 1141, 1891, 2015, 2119, 2135, 2821, 3965, 5053, 5551, 5705, 9455, 9943, 10595, 13237, 14105, 14833, 24583, 25265, 27755, 35371, 49715, 65689, 66185, 69601, 74165, 122915, 129259, 172081, 176855, 308233, 328445, 348005, 459823, 646295, 860405, 904813, 1541165, 2157631, 2299115, 4007029, 4524065, 10788155, 20035145, 28049203, 140246015]

約数ペア:

[(1, 140246015), (5, 28049203), (7, 20035145), (13, 10788155), (31, 4524065), (35, 4007029), (61, 2299115), (65, 2157631), (91, 1541165), (155, 904813), (163, 860405), (217, 646295), (305, 459823), (403, 348005), (427, 328445), (455, 308233), (793, 176855), (815, 172081), (1085, 129259), (1141, 122915), (1891, 74165), (2015, 69601), (2119, 66185), (2135, 65689), (2821, 49715), (3965, 35371), (5053, 27755), (5551, 25265), (5705, 24583), (9455, 14833), (9943, 14105), (10595, 13237)]